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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.

To learn more about the vulnerability, see Microsoft Security Bulletin MS16-098.

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.

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.

  • 3177725 MS16-098: Description of the security update for Windows kernel-mode drivers: August 9, 2016

  • 3176492┬áCumulative update for Windows 10: August 9, 2016

  • 3176493┬áCumulative update for Windows 10 Version 1511: August 9, 2016

  • 3176495┬áCumulative update for Windows 10 Version 1607: August 9, 2016

Known issues

After you apply this security update and you print multiple documents in succession, the first two documents may print successfully. However, the third and subsequent documents may not print.





This problem is resolved in Microsoft Security Bulletin MS16-106.


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.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

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 MS16-098 that corresponds to the version of Windows that you are running.

More Information

Windows Vista (all editions)Reference table

The 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-KB3177725-x86.msu

For all supported x64-based editions of Windows Vista:
Windows6.0-KB3177725-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

You must restart the system after you apply this security update.

Removal information

WUSA.exe does not support uninstalling 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 3177725

Registry key verification

Note There is no registry key 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 names

For all supported 32-bit editions of Windows Server 2008:
Windows6.0-KB3177725-x86.msu

For all supported x64-based editions of Windows Server 2008:
Windows6.0-KB3177725-x64.msu

For all supported Itanium-based editions of Windows Server 2008:
Windows6.0-KB3177725-ia64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

You must restart the system after you apply this security update.

Removal information

WUSA.exe does not support uninstalling 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 3177725

Registry key verification

Note There is no registry key 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 name

For all supported 32-bit editions of Windows 7:
Windows6.1-KB3177725-x86.msu

For all supported x64-based editions of Windows 7:
Windows6.1-KB3177725-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

You must restart the system 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. Under Windows Update, click View installed updates, and then select from the list of updates.

File information

See Microsoft Knowledge Base Article 3177725

Registry key verification

Note There is no registry key 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 name

For all supported x64-based editions of Windows Server 2008 R2:
Windows6.1-KB3177725-x64.msu

For all supported Itanium-based editions of Windows Server 2008 R2:
Windows6.1-KB3177725-ia64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

You must restart the system 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. Under Windows Update, click View installed updates, and then select from the list of updates.

File information

See Microsoft Knowledge Base Article 3177725

Registry key verification

Note There is no registry key to validate the presence of this update.

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-KB3177725-x86.msu

For all supported x64-based editions of Windows 8.1:
Windows8.1-KB3177725-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

You must restart the system 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 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 3177725

Registry key verification

Note There is no registry key 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 name

For all supported editions of Windows Server 2012:
Windows8-RT-KB3177725-x64.msu

For all supported editions of Windows Server 2012 R2:
Windows8.1-KB3177725-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

You must restart the system 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 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 3177725

Registry key verification

Note There is no registry key to validate the presence of this update.

Windows RT 8.1 (all editions)Reference table

The following table contains the security update information for this software.


Deployment

The 3177725 update is available via Windows Update only.

Restart Requirement

You must restart the system after you apply this security update.

Removal Information

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 3177725

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-KB3176492-x86.msu

For all supported x64-based editions of Windows 10:
Windows10.0-KB3176492-x64.msu

For all supported 32-bit editions of Windows 10 Version 1511:
Windows10.0-KB3176493-x86.msu

For all supported x64-based editions of Windows 10 Version 1511:
Windows10.0-KB3176493-x64.msu

For all supported 32-bit editions of Windows 10 Version 1607:
Windows10.0-KB3176495-x86.msu

For all supported x64-based editions of Windows 10 Version 1607:
Windows10.0-KB3176495-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

You must restart the system 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. Under Windows Update, click View installed updates, and then select from the list of updates.

File information

See Microsoft Knowledge Base Article 3176492
See Microsoft Knowledge Base Article 3176493
See Microsoft Knowledge Base Article 3176495

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

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