Microsoft Security Bulletins

Severity Rating: Important
Revision Note: V1.1 (October 19, 2017): Corrected a typo in the CVE description.
Summary: This security update resolves a publicly disclosed vulnerability in Microsoft Windows. The vulnerability could allow information disclosure if a user browses to a website containing specially crafted JPEG content. An attacker could use this information disclosure vulnerability to gain information about the system that could then be combined with other attacks to compromise the system. The information disclosure vulnerability by itself does not allow arbitrary code execution. However, an attacker could use this information disclosure vulnerability in conjunction with another vulnerability to bypass security features such as Address Space Layout Randomization (ASLR).
Severity Rating: Important
Revision Note: V3.0 (September 12, 2017): Revised the Affected Software table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3376. Consumers using Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The more severe of the vulnerabilities could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application that could exploit the vulnerabilities and take control of an affected system.
Severity Rating: Critical
Revision Note: V4.0 (September 12, 2017): Revised the Microsoft Windows affected software table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-0165. Consumers running Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability.
Summary: This security update resolves vulnerabilities in Microsoft Windows, Microsoft .NET Framework, Microsoft Office, Skype for Business, and Microsoft Lync. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted document or visits a webpage that contains specially crafted embedded fonts.
Severity Rating: Critical
Revision Note: V2.0 (September 12, 2017): To address known issues with the 3170455 update for CVE-2016-3238, Microsoft has made available the following updates for currently-supported versions of Microsoft Windows: • Rereleased update 3170455 for Windows Server 2008 • Monthly Rollup 4038777 and Security Update 4038779 for Windows 7 and Windows Server 2008 R2 • Monthly Rollup 4038799 and Security Update 4038786 for Windows Server 2012 • Monthly Rollup 4038792 and Security Update 4038793 for Windows 8.1 and Windows Server 2012 R2 • Cumulative Update 4038781 for Windows 10 • Cumulative Update 4038781 for Windows 10 Version 1511 • Cumulative Update 4038782 for Windows 10 Version 1607 and Windows Server 2016. Microsoft recommends that customers running Windows Server 2008 reinstall update 3170455. Microsoft recommends that customers running other supported versions of Windows install the appropriate update. See Microsoft Knowledge Base Article 3170005 (https://support.microsoft.com/en-us/help/3170005) for more information.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The more severe of the vulnerabilities could allow remote code execution if an attacker is able to execute a man-in-the-middle (MiTM) attack on a workstation or print server, or sets up a rogue print server on a target network.
Severity Rating: Critical
Revision Note: V3.0 (September 12, 2017): Revised the Affected Software table to include Internet Explorer 11 installed on Windows 10 Version 1703 for 32-bit Systems and Internet Explorer 11 installed on Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3326. Consumers using Windows 10 are automatically protected. Microsoft recommends that enterprise customers running Internet Explorer on Windows 10 Version 1703 ensure they have update 4038788 installed to be protected from this vulnerability. Customers who are running other versions of Windows 10 and who have installed the June cumulative updates do not need to take any further action.
Summary: This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited the vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
Severity Rating: Important
Revision Note: V1.1 (August 23, 2017): Corrected the Updates Replaced for security update 3196726 to None. This is an informational change only. Customers who have already successfully installed the update do not need to take any further action.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow elevation of privilege if a locally authenticated attacker runs a specially crafted application.
Severity Rating: Critical
Revision Note: V2.0 (August 8, 2017): To comprehensively address CVE-2017-0071, Microsoft released the July security updates for all versions of Windows 10. Note that Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems, and Windows 10 Version 1703 for x64-based Systems have been added to the Affected Products table as they are also affected by this vulnerability. Microsoft recommends that customers who have not already done so install the July 2017 security updates to be fully protected from this vulnerability.
Summary: This security update resolves vulnerabilities in Microsoft Edge. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Microsoft Edge. An attacker who successfully exploited these vulnerabilities could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
Severity Rating: Important
Revision Note: V2.0 (July 11, 2017): Revised Windows Affected Software and Vulnerability Severity Ratings table to include Windows 10 Version 1703 for 32-bit Systems and Windows 10 Version 1703 for x64-based Systems because they are affected by CVE-2016-3305. Microsoft recommends that customers running Windows 10 Version 1703 should install update 4025342 to be protected from this vulnerability.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker runs a specially crafted application on a target system.
Severity Rating: Critical
Revision Note: V3.0 (May 9, 2017): Microsoft has re-released security update 4017018 for affected editions of Windows Server 2008. The re-release has been re-classified as a security update. Microsoft recommends that customers should install update 4017018 to be fully protected from CVE-2017-0038. Customers who have already installed the update do not need to take any further action. In addition, this security update correction also applies to Windows Server 2008 for Itanium-based Systems.
Summary: This security update resolves vulnerabilities in Microsoft Windows, Microsoft Office, Skype for Business, Silverlight and Microsoft Lync. The most serious of these vulnerabilities could allow remote code execution if a user either visits a specially crafted website or opens a specially crafted document. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
Severity Rating: Critical
Revision Note: V2.0 (April 11, 2017): Bulletin revised to announce the release of a new Internet Explorer cumulative update (4014661) for CVE-2016-0162. The update adds to the original release to comprehensively address CVE-2016-0162. Microsoft recommends that customers running the affected software install the security update to be fully protected from the vulnerability described in this bulletin. See Microsoft Knowledge Base Article 4014661 for more information.
Summary: This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited the vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
Severity Rating: Important
Revision Note: V2.0 (April 11, 2017): To comprehensively address CVE-2017-0027 for Office for Mac 2011 only, Microsoft is releasing security update 3212218. Microsoft recommends that customers running Office for Mac 2011 install update 3212218 to be fully protected from this vulnerability. See Microsoft Knowledge Base Article 3212218 for more information.
Summary: This security update resolves vulnerabilities in Microsoft Office. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.
Severity Rating: Important
Revision Note: V2.0 (April 11, 2017): Bulletin revised to announce that the security updates that apply to CVE-2017-0042 for Windows Server 2012 are now available. Customers running Windows Server 2012 should install update 4015548 (Security Only) or 4015551 (Monthly Rollup) to be fully protected from this vulnerability. Customers running other versions of Microsoft Windows do not need to take any further action.
Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow an Information Disclosure if Windows DirectShow opens specially crafted media content that is hosted on a malicious website. An attacker who successfully exploited the vulnerability could obtain information to further compromise a target system.
Severity Rating: Critical
Revision Note: V1.1 (March 17, 2017): Bulletin published.
Summary: This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited the vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
Severity Rating: Critical
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves vulnerabilities in Microsoft Windows, Microsoft Office, Skype for Business, Silverlight and Microsoft Lync. The most serious of these vulnerabilities could allow remote code execution if a user either visits a specially crafted website or opens a specially crafted document. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
Severity Rating: Important
Revision Note: V1.0 (March 14, 2017): Click here to enter text.
Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an attacker with access to the local system executes a malicious application. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.
Severity Rating: Important
Revision Note: V1.0 (March 14, 2017): Bulletin published
Summary: This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application that could exploit the vulnerabilities and take control of an affected system.
Severity Rating: Critical
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves a vulnerability in Windows Uniscribe. The vulnerability could allow remote code execution if a user visits a specially crafted website or opens a specially crafted document. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
Severity Rating: Critical
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow remote code execution if an authenticated attacker on a guest operating system runs a specially crafted application that causes the Hyper-V host operating system to execute arbitrary code. Customers who have not enabled the Hyper-V role are not affected.
Severity Rating: Critical
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow remote code execution if an attacker running inside a virtual machine runs a specially crafted application.
Severity Rating: Important
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker runs a specially crafted application.
Severity Rating: Important
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow information disclosure if a user visits a malicious website. However, in all cases an attacker would have no way to force a user to click a specially crafted link. An attacker would have to convince a user to click the link, typically by way of an enticement in an email or Instant Messenger message.
Severity Rating: Critical
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow remote code execution if an attacker sends specially crafted messages to a Windows SMBv1 server.
Severity Rating: Critical
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
Severity Rating: Critical
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow information disclosure if a user views specially crafted PDF content online or opens a specially crafted PDF document.
Severity Rating: Important
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves a vulnerability in Active Directory Federation Services (ADFS). The vulnerability could allow information disclosure if an attacker sends a specially crafted request to an ADFS server, allowing the attacker to read sensitive information about the target system.
Severity Rating: Important
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves vulnerabilities in Microsoft Exchange Server.
Severity Rating: Critical
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves vulnerabilities in Adobe Flash Player when installed on all supported editions of Windows 8.1, Windows Server 2012, Windows Server 2012 R2, Windows RT 8.1, and Windows 10.
Severity Rating: Important
Revision Note: V1.0 (March 14, 2017): Bulletin published.
Summary: This security update resolves an information disclosure vulnerability in Windows DVD Maker. The vulnerability could allow an attacker to obtain information to further compromise a target system.
Severity Rating: Important
Revision Note: V2.1 (February 23, 2017): Revised bulletin to announce a detection logic change to Monthly Rollup Release KB3205403 and Monthly Rollup Release KB3205404. This is an informational change only. Customers who have already successfully updated their systems do not need to take any action.
Summary: This security update resolves a vulnerability in Microsoft .NET 4.6.2 Framework’s Data Provider for SQL Server. A security vulnerability exists in Microsoft .NET Framework 4.6.2 that could allow an attacker to access information that is defended by the Always Encrypted feature.
Severity Rating: Critical
Revision Note: V1.0 (February 21, 2017): Bulletin published.
Summary: This security update resolves vulnerabilities in Adobe Flash Player when installed on all supported editions of Windows 8.1, Windows Server 2012, Windows Server 2012 R2, Windows RT 8.1, and Windows 10.
Severity Rating: Important
Revision Note: V1.0 (January 10, 2017): Bulletin published.
Summary: This security update resolves a vulnerability in Microsoft Edge. This vulnerability could allow elevation of privilege if a user views a specially crafted webpage using Microsoft Edge. An attacker who successfully exploited the vulnerability could elevate privileges in affected versions of Microsoft Edge.
Severity Rating: Important
Revision Note: V1.1 (January 10, 2017): Bulletin published
Summary: This security update resolves a vulnerability in Microsoft Office. The vulnerability could allow remote code execution if a user opens a specially crafted Microsoft Office file. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.
Severity Rating: Important
Revision Note: V1.0 (January 10, 2017): Bulletin Published
Summary: A denial of service vulnerability exists in the way the Local Security Authority Subsystem Service (LSASS) handles authentication requests. An attacker who successfully exploited the vulnerability could cause a denial of service on the target system’s LSASS service, which triggers an automatic reboot of the system.
Severity Rating: Critical
Revision Note: V1.0 (January 10, 2017): Bulletin published.
Summary: This security update resolves vulnerabilities in Adobe Flash Player when installed on all supported editions of Windows 8.1, Windows Server 2012, Windows Server 2012 R2, Windows RT 8.1, and Windows 10.
Severity Rating: Critical
Revision Note: V1.1 (December 21, 2016): Revised bulletin to correct a CVE ID. CVE-2016-7298 has been changed to CVE-2016-7274, and the vulnerability information has been updated. This is an informational change only. Customers who have successfully installed the updates do not need to take any further action.
Summary: This security update resolves vulnerabilities in Microsoft Office. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.
Severity Rating: Important
Revision Note: V1.0 (December 13, 2016): Bulletin published.
Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow Information Disclosure when the Windows Common Log File System (CLFS) driver improperly handles objects in memory. In a local attack scenario, an attacker could exploit this vulnerability by running a specially crafted application to bypass security measures on the affected system allowing further exploitation.
Severity Rating: Critical
Revision Note: V1.0 (December 13, 2016): Bulletin published.
Summary: This security update resolves vulnerabilities in Microsoft Edge. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Microsoft Edge. An attacker who successfully exploited the vulnerabilities could gain the same user rights as the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than users with administrative user rights.
Severity Rating: Critical
Revision Note: V1.0 (December 13, 2016): Bulletin published.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow remote code execution if a user either visits a specially crafted website or opens a specially crafted document. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
Severity Rating: Important
Revision Note: V1.0 (December 13, 2016): Bulletin published
Summary: This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application that could exploit the vulnerabilities and take control of an affected system.
Severity Rating: Critical
Revision Note: V1.0 (December 13, 2016): Bulletin published.
Summary: This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited the vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
Severity Rating: Critical
Revision Note: V2.0 (December 13, 2016): Revised bulletin to announce the following updates have been rereleased with a detection change that addresses a supersedence issue that certain customers experienced when attempting to install the October Security Only updates. – Security Only update 3192391 for all supported releases of Windows 7 and Windows Server 2008 R2. For more information, see Microsoft Knowledge Base Article 3192391. – Security Only update 3192393 for Windows Server 2012. For more information, see Microsoft Knowledge Base Article 3192393 – Security Only update 3192392 for Windows 8.1 and Windows Server 2012 R2. For more information, see Microsoft Knowledge Base Article 3192392. These are detection changes only. There were no changes to the update files. Customers who have already successfully installed any of these updates do not need to take any action. For more information, see the Microsoft Knowledge Base article for the respective update.
Summary: This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited the vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
Severity Rating: Important
Revision Note: V1.0 (December 13, 2016): Bulletin published.
Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if a locally-authenticated attacker runs a specially crafted application on a targeted system. An attacker who successfully exploited the vulnerability could violate virtual trust levels (VTL).
Severity Rating: Important
Revision Note: V2.0 (December 13, 2016): Revised bulletin to announce the following updates have been rereleased with a detection change that addresses a supersedence issue that certain customers experienced when attempting to install the November Security Only updates.Security Only update 3197867 for all supported releases of Windows 7 and Windows Server 2008 R2. For more information, see Microsoft Knowledge Base Article 3197867.Monthly Rollup 3197868 for all supported releases of Windows 7 and Windows Server 2008 R2. For more information, see Microsoft Knowledge Base Article 3197868.Security Only update 3197876 for Windows Server 2012. For more information, see Microsoft Knowledge Base Article 3197876.Monthly Rollup 3197877 for Windows Server 2012. For more information, see Microsoft Knowledge Base Article 3197877. Security Only update 3197873 for Windows 8.1 and Windows Server 2012 R2. For more information, see Microsoft Knowledge Base Article 3197873.Monthly Rollup 3197874 for Windows 8.1 and Windows Server 2012 R2. For more information, see Microsoft Knowledge Base Article 3197874.These are detection changes only. There were no changes to the update files. Customers who have already successfully installed any of these updates do not need to take any action. For more information, see the Microsoft Knowledge Base article for the respective update.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application that could exploit the vulnerabilities and take control of an affected system.
Severity Rating: Critical
Revision Note: V1.0 (December 13, 2016): Bulletin published.
Summary: This security update resolves vulnerabilities in Adobe Flash Player when installed on all supported editions of Windows 8.1, Windows Server 2012, Windows Server 2012 R2, Windows RT 8.1, and Windows 10.
Severity Rating: Important
Revision Note: V2.0 (December 13, 2016): Revised bulletin to announce the following updates have been rereleased with a detection change that addresses a supersedence issue that certain customers experienced when attempting to install the November Security Only updates.Security Only update 3197867 for all supported releases of Windows 7 and Windows Server 2008 R2. For more information, see Microsoft Knowledge Base Article 3197867.Monthly Rollup 3197868 for all supported releases of Windows 7 and Windows Server 2008 R2. For more information, see Microsoft Knowledge Base Article 3197868.Security Only update 3197876 for Windows Server 2012. For more information, see Microsoft Knowledge Base Article 3197876.Monthly Rollup 3197877 for Windows Server 2012. For more information, see Microsoft Knowledge Base Article 3197877. Security Only update 3197873 for Windows 8.1 and Windows Server 2012 R2. For more information, see Microsoft Knowledge Base Article 3197873.Monthly Rollup 3197874 for Windows 8.1 and Windows Server 2012 R2. For more information, see Microsoft Knowledge Base Article 3197874.These are detection changes only. There were no changes to the update files. Customers who have already successfully installed any of these updates do not need to take any action. For more information, see the Microsoft Knowledge Base article for the respective update.
Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow security feature bypass if an attacker installs an affected boot policy and bypasses Windows security features.
Severity Rating: Critical
Revision Note: V2.0 (December 13, 2016): Revised bulletin to announce the following updates have been rereleased with a detection change that addresses a supersedence issue that certain customers experienced when attempting to install the November Security Only updates.Security Only update 3197867 for all supported releases of Windows 7 and Windows Server 2008 R2. For more information, see Microsoft Knowledge Base Article 3197867.Monthly Rollup 3197868 for all supported releases of Windows 7 and Windows Server 2008 R2. For more information, see Microsoft Knowledge Base Article 3197868.Security Only update 3197876 for Windows Server 2012. For more information, see Microsoft Knowledge Base Article 3197876.Monthly Rollup 3197877 for Windows Server 2012. For more information, see Microsoft Knowledge Base Article 3197877. Security Only update 3197873 for Windows 8.1 and Windows Server 2012 R2. For more information, see Microsoft Knowledge Base Article 3197873.Monthly Rollup 3197874 for Windows 8.1 and Windows Server 2012 R2. For more information, see Microsoft Knowledge Base Article 3197874.These are detection changes only. There were no changes to the update files. Customers who have already successfully installed any of these updates do not need to take any action. For more information, see the Microsoft Knowledge Base article for the respective update.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The most severe being of the vulnerabilities could allow a remote code execution vulnerability exists when the Windows Animation Manager improperly handles objects in memory if a user visits a malicious webpage. An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new accounts with full user rights. This security update is rated Critical for all supported releases of Microsoft Windows. For more information, see the Affected Software and Vulnerability Severity Ratings section.
Severity Rating: Important
Revision Note: V2.0 (December 13, 2016): Revised bulletin to announce the following updates have been rereleased with a detection change that addresses a supersedence issue that certain customers experienced when attempting to install the October Security Only updates. – Security Only update 3192391 for all supported releases of Windows 7 and Windows Server 2008 R2. For more information, see Microsoft Knowledge Base Article 3192391. – Security Only update 3192393 for Windows Server 2012. For more information, see Microsoft Knowledge Base Article 3192393 – Security Only update 3192392 for Windows 8.1 and Windows Server 2012 R2. For more information, see Microsoft Knowledge Base Article 3192392. These are detection changes only. There were no changes to the update files. Customers who have already successfully installed any of these updates do not need to take any action. For more information, see the Microsoft Knowledge Base article for the respective update.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker can access sensitive registry information.
Severity Rating: Important
Revision Note: V2.0 (December 13, 2016): Revised bulletin to announce the following updates have been rereleased with a detection change that addresses a supersedence issue that certain customers experienced when attempting to install the November Security Only updates.Security Only update 3197867 for all supported releases of Windows 7 and Windows Server 2008 R2. For more information, see Microsoft Knowledge Base Article 3197867.Monthly Rollup 3197868 for all supported releases of Windows 7 and Windows Server 2008 R2. For more information, see Microsoft Knowledge Base Article 3197868.Security Only update 3197876 for Windows Server 2012. For more information, see Microsoft Knowledge Base Article 3197876.Monthly Rollup 3197877 for Windows Server 2012. For more information, see Microsoft Knowledge Base Article 3197877. Security Only update 3197873 for Windows 8.1 and Windows Server 2012 R2. For more information, see Microsoft Knowledge Base Article 3197873.Monthly Rollup 3197874 for Windows 8.1 and Windows Server 2012 R2. For more information, see Microsoft Knowledge Base Article 3197874.These are detection changes only. There were no changes to the update files. Customers who have already successfully installed any of these updates do not need to take any action. For more information, see the Microsoft Knowledge Base article for the respective update.
Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker runs a specially crafted application to access sensitive information. A locally authenticated attacker could attempt to exploit this vulnerability by running a specially crafted application. An attacker can gain access to information not intended to be available to the user by using this method.
Severity Rating: Important
Revision Note: V2.0 (December 13, 2016): Revised bulletin to announce the following updates have been rereleased with a detection change that addresses a supersedence issue that certain customers experienced when attempting to install the November Security Only updates.Security Only update 3197867 for all supported releases of Windows 7 and Windows Server 2008 R2. For more information, see Microsoft Knowledge Base Article 3197867.Monthly Rollup 3197868 for all supported releases of Windows 7 and Windows Server 2008 R2. For more information, see Microsoft Knowledge Base Article 3197868.Security Only update 3197876 for Windows Server 2012. For more information, see Microsoft Knowledge Base Article 3197876.Monthly Rollup 3197877 for Windows Server 2012. For more information, see Microsoft Knowledge Base Article 3197877. Security Only update 3197873 for Windows 8.1 and Windows Server 2012 R2. For more information, see Microsoft Knowledge Base Article 3197873.Monthly Rollup 3197874 for Windows 8.1 and Windows Server 2012 R2. For more information, see Microsoft Knowledge Base Article 3197874.These are detection changes only. There were no changes to the update files. Customers who have already successfully installed any of these updates do not need to take any action. For more information, see the Microsoft Knowledge Base article for the respective update.
Summary: The Windows Virtual Hard Disk Driver improperly handles user access to certain files. An attacker can manipulate files in locations not intended to be available to the user by exploiting this vulnerability.
Severity Rating: Critical
Revision Note: V1.1 (December 13, 2016): Bulletin revised to include an additional vulnerability, CVE-2015-2496. This is an informational change only. Customers who have successfully installed the updates do not need to take any further action..
Summary: This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.