Security update for the Hyper-V vulnerability in Windows Server 2008: April 11, 2017

Summary

To learn more about the vulnerability, see the following Common Vulnerabilities and Exposures (CVE).

• CVE-2017-0163
• CVE-2017-0168
• CVE-2017-0180

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.

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 Windows Update FAQ.

Method 2: Microsoft Update Catalog

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

Deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:
Security update deployment information: April 11, 2017

More Information

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How to obtain help and support for this security update

Help for installing updates: Windows Update FAQ

Security solutions for IT professionals: TechNet Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support

File Information

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File hash information

File name	SHA1 hash	SHA256 hash
Windows6.0-KB3211308-x64.msu	A47D9CB1E2A5D5AC968DDDF2D96BE9C0718C5082	197A0F5D5353820786A6CC6F8C66A5DDA82548CCD4CE9031277D34745A6408E5

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

Windows Vista and Windows Server 2008 file information

**Note:**The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

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For all supported x64-based versions

File name	File version	File size	Date	Time	Platform
Hvax64.exe	6.0.6002.18688	651,264	31-Aug-2012	13:52	x64
Hvboot.sys	6.0.6002.18688	108,416	31-Aug-2012	22:01	x64
Hvix64.exe	6.0.6002.18688	672,256	31-Aug-2012	13:52	x64
Virtualization.events.xml	Not applicable	1,384	03-Apr-2009	21:20	Not applicable
Hvax64.exe	6.0.6002.24071	634,368	07-Mar-2017	15:40	x64
Hvboot.sys	6.0.6002.24071	108,264	07-Mar-2017	16:42	x64
Hvix64.exe	6.0.6002.24071	642,048	07-Mar-2017	15:40	x64
Virtualization.events.xml	Not applicable	1,384	07-Mar-2016	23:38	Not applicable
Vmsntfy.dll	6.0.6002.18327	62,464	14-Oct-2010	16:11	x64
Vmswitch.sys	6.0.6002.19748	247,808	07-Mar-2017	15:44	x64
Vmsntfy.dll	6.0.6002.24071	63,488	07-Mar-2017	15:44	x64
Vmswitch.sys	6.0.6002.24071	247,808	07-Mar-2017	15:44	x64