Summary
This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow security feature bypass if the Windows kernel fails to determine how a low-integrity application can use certain object manager features. Microsoft Security Bulletin MS16-092.
To learn more about the vulnerability, seeMore Information
Important
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All future security and non-security 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.
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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.
Additional information about this security update
The following articles contain additional information about this security update as it relates to individual product versions. The articles may contain known issue information.
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3170377 MS16-092: Description of the security update for Windows Kernel: July 12, 2016
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3169704 MS16-092: Description of the security update for Windows Kernel: July 12, 2016
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3163912Â Cumulative update for Windows 10: July 12, 2016
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3172985Â Cumulative update for Windows 10 Version 1511 and Windows Server 2016 Technical Preview 4: July 12, 2016
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 8.1, this update is available through Windows Update only.
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.Microsoft Security Bulletin MS16-092 that corresponds to the version of Windows that you are running.
Click the download link inMore Information
Windows 8.1 (all editions)Reference table
The 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-KB3170377-x86.msu Windows8.1-KB3169704-x86.msu |
For all supported x64-based editions of Windows 8.1: Windows8.1-KB3170377-x64.msu Windows8.1-KB3169704-x64.msu |
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Installation switches |
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Restart requirement |
Yes, you must restart your system 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, and then click Windows Update. Under See also, click Installed updates, and then select from the list of updates. |
File information |
See Microsoft Knowledge Base article 3170377 See Microsoft Knowledge Base article 3169704 |
Registry key verification |
Registry keys do not exist to validate the presence of these updates. |
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 name |
For all supported editions of Windows Server 2012: Windows8-RT-KB3170377-x64.msu Windows8-RT-KB3169704-x64.msu |
For all supported editions of Windows Server 2012 R2: Windows8.1-KB3170377-x64.msu Windows8.1-KB3169704-x64.msu |
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Installation switches |
|
Restart requirement |
Yes, you must restart your system 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, and then click Windows Update. Under See also, click Installed updates, and then select from the list of updates. |
File information |
See Microsoft Knowledge Base article 3170377 See Microsoft Knowledge Base article 3169704 |
Registry key verification |
Registry keys do not exist to validate the presence of these updates. |
Windows RT 8.1 (all editions)Reference table
The following table contains the security update information for this software.
Deployment |
The 3170377 update is available via Windows Update only. The 3169704 update is available via Windows Update only. |
Restart Requirement |
Yes, you must restart your system after you apply this security update. |
Removal Information |
Click Control Panel, click System and Security, click Windows Update. Under See also, click Installed updates, and then select from the list of updates. |
File Information |
See Microsoft Knowledge Base article 3170377 See Microsoft Knowledge Base article 3169704 |
Windows 10 (all editions)Reference table
The 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-KB3163912-x86.msu |
For all supported x64-based editions of Windows 10: Windows10.0-KB3163912-x64.msu |
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For all supported 32-bit editions of Windows 10 Version 1511: Windows10.0-KB3172985-x86.msu |
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For all supported x64-based editions of Windows 10 Version 1511: Windows10.0-KB3172985-x64.msu |
|
Installation switches |
|
Restart requirement |
Yes, you must restart your system after you apply this security update. |
Removal information |
To uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, and then click System and Security. Under Windows Update, click View installed updates, and then select from the list of updates. |
File information |
See Microsoft Knowledge Base article 3163912 See Microsoft Knowledge Base article 3172985 |
Registry key verification |
Registry keys do not exist to validate the presence of these updates. |
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