Applies ToWindows Server 2012 R2 Datacenter Windows Server 2012 R2 Essentials Windows Server 2012 R2 Foundation Windows Server 2012 R2 Standard Windows 8.1 Windows 8.1 Enterprise Windows 8.1 Pro Windows Server 2012 Datacenter Windows Server 2012 Datacenter Windows Server 2012 Foundation Windows Server 2012 Foundation Windows Server 2012 Standard Windows Server 2012 Standard Windows Server 2008 R2 Service Pack 1 Windows 7 Service Pack 1 Windows Server 2008 Service Pack 2 Windows Vista Service Pack 2

Summary

This security update resolves vulnerabilities in Windows. The most severe of the vulnerabilities could allow remote code execution if an attacker is able to log on to a target system and run a specially crafted application. To learn more about the vulnerability, See Microsoft Security Bulletin MS16-014.

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.

  • 3135173 Cumulative update for Windows 10 Version 1511: February 9, 2016

  • 3135174 Cumulative update for Windows 10: February 9, 2016

  • 3126593 MS16-014: Description of the security update for Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows Server 2012, Windows 8.1, and Windows Server 2012 R2: February 9, 2016

  • 3126041 MS16-014: Description of the security update for Windows: February 9, 2016 Known issues in security update 3126041

    • After you install this security update, in certain configurations, when you change the domain account password, you may receive an error message that resembles the following: 1326 ERROR_LOGON_FAILURE For more information, click the following article number to view the article in the Microsoft Knowledge Base:3155039 Error 1326 when you change domain account password in Windows

    • After you install this security update, you may receive an error message that resembles the following when you try to change your password though an untrusted domain:

      The security database on the server does not have a computer account for the workstation trust relationship

      For example, the problem can occur when you try to change your "domain B" password from a computer that is joined to "domain A" and trust from domain A to Domain B is not configured. This problem affects operating systems that use the "Windows Kerberos Security Feature Bypass" (related to CVE-2016-0049). Note The password is successfully changed even though the error message appears. The issue also occurs on systems running Windows Vista and Windows Server 2008. This issue was resolved by "No computer account for trust" error when you change domain account password in Windows (KB3139921).

  • 3126587 MS16-014: Description of the security update for Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows Server 2012, Windows 8.1, and Windows Server 2012 R2: February 9, 2016

  • 3126434 MS16-014: Description of the security update for Windows 8.1 and Windows Server 2012 R2: February 9, 2016

Windows Vista (all editions)Reference TableThe following table contains the security update information for this software.

Security update file names

For all supported 32-bit editions of Windows Vista:Windows6.0-KB3126587-x86.msuWindows6.0-KB3126593-x86.msuWindows6.0-KB3126041-x86.msu

For all supported x64-based editions of Windows Vista:Windows6.0-KB3126587-x64.msuWindows6.0-KB3126593-x64.msuWindows6.0-KB3126041-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

A system restart is required after you apply this security update.

Removal information

WUSA.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 information

See Microsoft Knowledge Base Article 3126587See Microsoft Knowledge Base Article 3126593See Microsoft Knowledge Base Article 3126041

Registry key verification

Note A registry key does not exist to validate the presence of this update.

Windows Server 2008 (all editions)Reference TableThe following table contains the security update information for this software.

Security update file names

For all supported 32-bit editions of Windows Server 2008:Windows6.0-KB3126587-x86.msuWindows6.0-KB3126593-x86.msuWindows6.0-KB3126041-x86.msu

For all supported x64-based editions of Windows Server 2008:Windows6.0-KB3126587-x64.msuWindows6.0-KB3126593-x64.msuWindows6.0-KB3126041-x64.msu

For all supported Itanium-based editions of Windows Server 2008:Windows6.0-KB3126587-ia64.msuWindows6.0-KB3126593-ia64.msuWindows6.0-KB3126041-ia64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

A system restart is required after you apply this security update.

Removal information

WUSA.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 information

See Microsoft Knowledge Base Article 3126587See Microsoft Knowledge Base Article 3126593See Microsoft Knowledge Base Article 3126041

Registry key verification

Note A registry key does not exist to validate the presence of this update.

Windows 7 (all editions)Reference TableThe following table contains the security update information for this software.

Security update file name

For all supported 32-bit editions of Windows 7:Windows6.1-KB3126587-x86.msuWindows6.1-KB3126593-x86.msu

For all supported x64-based editions of Windows 7:Windows6.1-KB3126587-x64.msuWindows6.1-KB3126593-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

A system restart is required after you apply this security update.

Removal information

To uninstall an update that is installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, and under Windows Update, click View installed updates, and then select from the list of updates.

File information

See Microsoft Knowledge Base Article 3126587See Microsoft Knowledge Base Article 3126593

Registry key verification

Note A registry key does not exist to validate the presence of this update.

Windows Server 2008 R2 (all editions)Reference TableThe following table contains the security update information for this software.

Security update file name

For all supported x64-based editions of Windows Server 2008 R2:Windows6.1-KB3126587-x64.msuWindows6.1-KB3126593-x64.msu

For all supported Itanium-based editions of Windows Server 2008 R2:Windows6.1-KB3126587-ia64.msuWindows6.1-KB3126593-ia64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

A system restart is required after you apply this security update.

Removal information

To uninstall an update that is installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, and under Windows Update, click View installed updates, and then select from the list of updates.

File information

See Microsoft Knowledge Base Article 3126587See Microsoft Knowledge Base Article 3126593

Registry key verification

Note A registry key does not exist to validate the presence of this update.

Windows 8.1 (all editions)Reference TableThe following table contains the security update information for this software.

Security update file name

For all supported 32-bit editions of Windows 8.1:Windows8.1-KB3126593-x86.msuWindows8.1-KB3126587-x86.msuWindows8.1-KB3126041-x86.msu

For all supported x64-based editions of Windows 8.1:Windows8.1-KB3126593-x64.msuWindows8.1-KB3126587-x64.msuWindows8.1-KB3126041-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

A system restart is required after you apply this security update.

Removal information

To uninstall an update installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, click Windows Update, and under See also, click Installed updates, and then select from the list of updates.

File information

See Microsoft Knowledge Base Article 3126587See Microsoft Knowledge Base Article 3126593See Microsoft Knowledge Base Article 3126041

Registry key verification

Note A registry key does not exist to validate the presence of this update.

Windows Server 2012 and Windows Server 2012 R2 (all editions)Reference TableThe following table contains the security update information for this software.

Security update file name

For all supported editions of Windows Server 2012:Windows8-RT-KB3126587-x64.msuWindows8-RT-KB3126593-x64.msu

For all supported editions of Windows Server 2012 R2:Windows8.1-KB3126434-x64.msuWindows8.1-KB3126587-x64.msuWindows8.1-KB3126593-x64.msuWindows8.1-KB3126041-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

A system restart is required after you apply this security update.

Removal information

To uninstall an update installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, click Windows Update, and under See also, click Installed updates, and then select from the list of updates.

File information

See Microsoft Knowledge Base Article 3126434See Microsoft Knowledge Base Article 3126587See Microsoft Knowledge Base Article 3126593See Microsoft Knowledge Base Article 3126041

Registry key verification

Note A registry key does not exist to validate the presence of this update.

Windows RT 8.1 (all editions)Reference TableThe following table contains the security update information for this software.

Deployment

These updates are available through Windows Update only.

Restart Requirement

A system restart is required after you apply this security update.

Removal Information

Click Control Panel, click System and Security, click Windows Update, and under See also, click Installed updates, and then select from the list of updates.

File Information

See Microsoft Knowledge Base Article 3126587See Microsoft Knowledge Base Article 3126593

Windows 10 (all editions)Reference TableThe following table contains the security update information for this software.

Security update file name

For all supported 32-bit editions of Windows 10:Windows10.0-KB3135174-x86.msu

For all supported x64-based editions of Windows 10:Windows10.0-KB3135174-x64.msu

For all supported 32-bit editions of Windows 10 Version 1511:Windows10.0-KB3135173-x86.msu

For all supported x64-based editions of Windows 10 Version 1511:Windows10.0-KB3135173-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

A system restart is required after you apply this security update.

Removal information

To uninstall an update installed by WUSA, use the /Uninstall setup switch. Or, click Control Panel, click System and Security, click Windows Update, and under See also, click Installed updates, and then select from the list of updates.

File information

See Microsoft Knowledge Base Article 3126587See Microsoft Knowledge Base Article 3126593

Registry key verification

Note A registry key does not exist to validate the presence of this update

Help for installing updates: Support for Microsoft UpdateSecurity solutions for IT professionals: TechNet Security Troubleshooting and SupportHelp for protecting your Windows-based computer from viruses and malware: Virus Solution and Security CenterLocal support according to your country: International Support

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