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MS15-135: Security update for Windows kernel-mode drivers to address elevation of privilege: December 8, 2015

Summary
This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker logs on to a targeted system and runs a specially crafted application.

To learn more about the vulnerability, see Microsoft Security Bulletin MS15-135.
More information
Important
  • All future security and nonsecurity updates for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install update 2919355 on your Windows RT 8.1-based, Windows 8.1-based, or Windows Server 2012 R2-based computer so that you receive future updates.
  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.
More information about this security update
The following articles contain more information about this security update as it relates to individual product versions. The articles may contain known issue information.
  • 3109094 MS15-128 and MS15-135: Description of the security update for Windows kernel-mode drivers: December 8, 2015
  • 3116869 Cumulative update for Windows 10: December 8, 2015
  • 3116900 Cumulative update for Windows 10 Version 1511: December 8, 2015
How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see Get security updates automatically.

Note For Windows RT and Windows RT 8.1, this update is available through Windows Update only.

Method 2: Microsoft Download Center

You can obtain the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.

Click the download link in Microsoft Security Bulletin MS15-135 that corresponds to the version of Windows that you are running.
More information

Security update deployment information

Windows Vista (all editions)

Reference table

The following table contains the security update information for this software.
Security update file namesFor all supported 32-bit editions of Windows Vista:
Windows6.0-KB3109094-x86.msu
For all supported x64-based editions of Windows Vista:
Windows6.0-KB3109094-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementA system restart is required after you apply this security update.
Removal informationWUSA.exe does not support uninstall of updates. To uninstall an update that is installed by WUSA, click Control Panel, and then click Security. Under Windows Update, click View installed updates, and then select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3109094
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows Server 2008 (all editions)

Reference table

The following table contains the security update information for this software.
Security update file namesFor all supported 32-bit editions of Windows Server 2008:
Windows6.0-KB3109094-x86.msu
For all supported x64-based editions of Windows Server 2008:
Windows6.0-KB3109094-x64.msu
For all supported Itanium-based editions of Windows Server 2008:
Windows6.0-KB3109094-ia64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementA system restart is required after you apply this security update.
Removal informationWUSA.exe does not support uninstall of updates. To uninstall an update that is installed by WUSA, click Control Panel, and then click Security. Under Windows Update, click View installed updates, and then select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3109094
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows 7 (all editions)

Reference table

The following table contains the security update information for this software.
Security update file nameFor all supported 32-bit editions of Windows 7:
Windows6.1-KB3109094-x86.msu
For all supported x64-based editions of Windows 7:
Windows6.1-KB3109094-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementA system restart is required after you apply this security update.
Removal informationTo uninstall an update that is installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, and then under Windows Update, click View installed updates, and select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3109094
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows Server 2008 R2 (all editions)

Reference table

The following table contains the security update information for this software.
Security update file nameFor all supported x64-based editions of Windows Server 2008 R2:
Windows6.1-KB3109094-x64.msu
For all supported Itanium-based editions of Windows Server 2008 R2:
Windows6.1-KB3109094-ia64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementA system restart is required after you apply this security update.
Removal informationTo uninstall an update that is installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, and then under Windows Update, click View installed updates, and select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3109094
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows 8 and Windows 8.1 (all editions)

Reference table

The following table contains the security update information for this software.
Security update file nameFor all supported 32-bit editions of Windows 8:
Windows8-RT-KB3109094-x86.msu
For all supported x64-based editions of Windows 8:
Windows8-RT-KB3109094-x64.msu
For all supported 32-bit editions of Windows 8.1:
Windows8.1-KB3109094-x86.msu
For all supported x64-based editions of Windows 8.1:
Windows8.1-KB3109094-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementA system restart is required after you apply this security update.
Removal informationTo uninstall an update installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, and then click Windows Update. Under See also, click Installed updates, and then select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3109094
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows Server 2012 and Windows Server 2012 R2 (all editions)

Reference table

The following table contains the security update information for this software.
Security update file nameFor all supported editions of Windows Server 2012:
Windows8-RT-KB3109094-x64.msu
For all supported editions of Windows Server 2012 R2:
Windows8.1-KB3109094-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementA system restart is required after you apply this security update.
Removal informationTo uninstall an update installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, and then click Windows Update. Under See also, click Installed updates, and then select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3109094
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows RT and Windows RT 8.1 (all editions)

Reference table

The following table contains the security update information for this software.
DeploymentThese updates are available through Windows Update only.
Restart requirementA system restart is required after you apply this security update.
Removal informationClick Control Panel, click System and Security, click Windows Update, and then under See also, click Installed updates, and select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3109094

Windows 10 (all editions)

Reference table

The following table contains the security update information for this software.
Security update file nameFor all supported 32-bit editions of Windows 10:
Windows10.0-KB3116869-x86.msu
For all supported x64-based editions of Windows 10:
Windows10.0-KB3116869-x64.msu
For all supported 32-bit editions of Windows 10 Version 1511:
Windows10.0-KB3116900-x86.msu
For all supported x64-based editions of Windows 10 Version 1511:
Windows10.0-KB3116900-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementIn some cases, this update does not require a system restart. If the required files are being used, this update will require a system restart. If this behavior occurs, you receive a message that advises you to restart your system.
Removal informationTo uninstall an update installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, and then click Windows Update. Under See also, click Installed updates, and then select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3116869
See Microsoft Knowledge Base Article 3116900
Registry key verificationNote A registry key does not exist to validate the presence of this update.

How to obtain help and support for this security update

Help for installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help for protecting your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support
malicious attacker exploit
Properties

Article ID: 3119075 - Last Review: 12/08/2015 18:23:00 - Revision: 1.0

Windows 10, Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Standard, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, Windows 8.1 Enterprise, Windows 8.1 Pro, Windows 8.1, Windows RT 8.1, Windows Server 2012 Datacenter, Windows Server 2012 Standard, Windows Server 2012 Essentials, Windows Server 2012 Foundation, Windows 8 Enterprise, Windows 8 Pro, Windows 8, Windows RT, Windows Server 2008 R2 Service Pack 1, Windows 7 Service Pack 1, Windows Server 2008 Service Pack 2, Windows Vista Service Pack 2

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