Summary
To learn more about the vulnerability that this update fixes, see Microsoft Security Bulletin MS17-020.
More 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.
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: |
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For all supported x64-based editions of Windows Vista: |
Installation switches |
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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 |
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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 x64-based editions of Windows 7: |
|
For all supported x64-based editions of Windows 7: |
Installation switches |
|
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 4012212 |
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: |
|
For all supported x64-based editions of Windows Server 2008 R2: |
Installation switches |
|
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 4012212 |
Registry key verification |
Note A registry key does not exist to validate the presence of this update. |
table
More Information
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