Summary

This security update resolves a vulnerability in Microsoft Windows. An information disclosure vulnerability exists when the Microsoft Internet Messaging API improperly handles objects in memory. An attacker who successfully exploited this vulnerability could test for the presence of files on disk.

To learn more about the vulnerability, see Microsoft Security Bulletin MS16-126.

More Information

Important

  • 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.

  • 3193515 MS16-126: Description of the security update for Microsoft Internet Messaging API: October 11, 2016

  • 3192391 October 2016 security only quality update for Windows 7 SP1 and Windows Server 2008 R2 SP1

  • 3185330 October 2016 security monthly quality rollup for Windows 7 SP1 and Windows Server 2008 R2 SP1

Known issues in this security update



After you install this security update, System Center Operations Manager (SCOM) Management Console crashes in State view.

To resolve this issue for systems running Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows Server 2012, Windows 8.1, or Windows Server 2012 R2, install the following update:

3200006 System Center Operations Manager Management Console crashes after you install MS16-118 and MS16-126
To resolve this issue for Windows 10 RTM, install the following update:

3199125 Cumulative Update for Windows 10 RTM: October 18, 2016
To resolve this issue for Windows 10 Version 1511, install the following update:

3200068 Cumulative Update for Windows 10 Version 1511: October 18, 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.

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 MS16-126 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-KB3181707-x86.msu

For all supported x64-based editions of Windows Vista:
Windows6.0-KB3181707-x86.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 installed by WUSA, click Control Panel, and then click Security. Under Windows Update, click View installed updates and select from the list of updates.

File information

See Microsoft Knowledge Base Article 3181707

Registry key verification

Note 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 names

For all supported 32-bit editions of Windows Server 2008:
Windows6.0-KB3181707-x86.msu

For all supported x64-based editions of Windows Server 2008:
Windows6.0-KB3181707-x86.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 installed by WUSA, click Control Panel, and then click Security. Under Windows Update, click View installed updates and select from the list of updates.

File information

See Microsoft Knowledge Base Article 3181707

Registry key verification

Note 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 name

For all supported 32-bit editions of Windows 7:
Windows6.1-KB3192391-x86.msu
Security only

For all supported 32-bit editions of Windows 7:
Windows6.1-KB3185330-x86.msu
Monthly rollup

For all supported x64-based editions of Windows 7:
Windows6.1-KB3192391-x64.msu
Security only

For all supported x64-based editions of Windows 7:
Windows6.1-KB3185330-x64.msu
Monthly rollup

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, and then under Windows Update, click View installed updates and select from the list of updates.

File information

See Microsoft Knowledge Base Article 3192391
See Microsoft Knowledge Base Article 3185330

Registry key verification

Note 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 name

For all supported x64-based editions of Windows Server 2008 R2:
Windows6.1-KB3192391-x64.msu
Security only

For all supported x64-based editions of Windows Server 2008 R2:
Windows6.1-KB3185330-x64.msu
Monthly rollup

For all supported Itanium-based editions of Windows Server 2008 R2:
Windows6.1-KB3192391-ia64.msu
Security only

For all supported Itanium-based editions of Windows Server 2008 R2:
Windows6.1-KB3185330-ia64.msu
Monthly rollup

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, and then under Windows Update, click View installed updates and select from the list of updates.

File information

See Microsoft Knowledge Base Article 3192391
See Microsoft Knowledge Base Article 3185330

Registry key verification

Note 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

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