Summary

This security update resolves a vulnerability in Microsoft IIS Server. The vulnerability could allow elevation of privilege if a user clicks a specially crafted URL that is hosted by an affected Microsoft IIS server. An attacker who successfully exploited this vulnerability could potentially execute scripts in the user’s browser to obtain information from web sessions.To learn more about the vulnerability, see Microsoft Security Bulletin MS17-016.

More Information

Important

  • 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.

  • 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 more information about this security update as it relates to individual product versions. These articles may contain known issue information.

  • 4012373 MS17-016: Description of the security update for Internet Information Services: March 14, 2017

  • 4012216 March 2017 Security Monthly Quality Rollup for Windows 8.1 and Windows Server 2012 R2

  • 4012213 March 2017 Security Only Quality Update for Windows 8.1 and Windows Server 2012 R2

  • 4012217 March 2017 Security Monthly Quality Rollup for Windows Server 2012

  • 4012214 March 2017 Security Only Quality Update for Windows Server 2012

  • 4012215 March 2017 Security Monthly Quality Rollup for Windows 7 SP1 and Windows Server 2008 R2 SP1

  • 4012212 March 2017 Security Only Quality Update for Windows 7 SP1 and Windows Server 2008 R2 SP1

  • 4013429 March 13, 2017—KB4013429 (OS Build 933)

  • 4012606 March 14, 2017—KB4012606 (OS Build 17312)

  • 4013198 March 14, 2017—KB4013198 (OS Build 830)

Security update deployment

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-KB4012373-x86.msu

 

For all supported x64-based editions of Windows Vista:Windows6.0-KB4012373-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 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 4012373

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-KB4012373-x86.msu

 

For all supported x64-based editions of Windows Server 2008:Windows6.0-KB4012373-x64.msu

 

For all supported Itanium-based editions of Windows Server 2008Windows6.0-KB4012373-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 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 4012373

Registry key verification

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

More Information

Help for installing updates: Windows Update: FAQSecurity solutions for IT professionals: TechNet Security Support and TroubleshootingHelp for protecting your Windows-based computer from viruses and malware: Microsoft SecureLocal support according to your country: International Support

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