Security update for the Dxgkrnl.sys Elevation of Privilege Vulnerability in Windows Server 2008: May 9, 2017

Summary

An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver handles objects in memory incorrectly. An attacker who successfully exploits the vulnerability could obtain information to further compromise the user’s system. On computers that have 64-bit Windows 7 or later systems installed, this vulnerability can lead to a denial of service.

To learn more about the vulnerability, go to CVE-2017-0077.

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 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.

Deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:
Security update deployment information: May 9, 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-KB4019149-ia64.msu	7809D37527DAA1B986B134D2068CC2C88A3A5803	B6F7F80BC80BA191CDDC42E9C3A738067CDB1F83D03F236D0CEC6AB00C8FCCB0
Windows6.0-KB4019149-x64.msu	39AE9056E4D6CDD7AEAC4C6224E4062C8F7DEBEC	A3E055FEE19A4DC7EB3B9CF25E216004B5C710AFE9BBAD34F93BE30DA872319C
Windows6.0-KB4019149-x86.msu	4D038001037EF245542CF1A7EA51654BE9ED8BB8	61EA0FE4CCA0BD69D8893C5A3ACD627F9EDF6E21F9AC94A02E2B6BE4BD45D2EC

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 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 ia64-based versions

File name	File version	File size	Date	Time	Platform
Cdd.dll	7.0.6002.18823	105,984	13-Apr-2013	03:48	IA-64
Dxgkrnl.sys	7.0.6002.19765	2,008,808	07-Apr-2017	15:58	IA-64
Cdd.dll	7.0.6002.24089	105,984	07-Apr-2017	15:16	IA-64
Dxgkrnl.sys	7.0.6002.24089	2,008,808	07-Apr-2017	15:44	IA-64

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For all supported x64-based versions

File name	File version	File size	Date	Time	Platform
Cdd.dll	7.0.6002.18392	47,104	20-Jan-2011	16:12	x64
Dxgkrnl.sys	7.0.6002.19765	901,352	07-Apr-2017	16:25	x64
Cdd.dll	7.0.6002.24089	47,104	07-Apr-2017	15:42	x64
Dxgkrnl.sys	7.0.6002.24089	901,352	07-Apr-2017	15:50	x64

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For all supported x86-based versions

File name	File version	File size	Date	Time	Platform
Cdd.dll	7.0.6002.18392	37,376	20-Jan-2011	16:02	x86
Dxgkrnl.sys	7.0.6002.19765	638,184	07-Apr-2017	16:08	x86
Cdd.dll	7.0.6002.24089	37,376	07-Apr-2017	15:22	x86
Dxgkrnl.sys	7.0.6002.24089	638,184	07-Apr-2017	15:30	x86