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Win32k information disclosure vulnerability: June 13, 2017

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Summary

An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory. To exploit this vulnerability, an authenticated attacker could run a specially crafted application. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. The update addresses the vulnerability by correcting how the Windows kernel initializes objects in memory.
To learn more about the vulnerability, go to CVE-2017-8471.

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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.

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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.

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Deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:
Security update deployment information: June 13, 2017

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More Information

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

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File Information

File hash information
File name SHA1 hash SHA256 hash
Windows6.0-KB4022887-x64.msu 18CE762C6A6B021444844FFF1BF787A137F384DD CDAA02737F257026DF1BF45727FE0A4E429CE060CA8BDD10825ECE195BEF1556
Windows6.0-KB4022887-ia64.msu BFB2E15A1925CE0F43C11224A1226E7F47074703 87ACA8A8A22C4B85CBD521351ED339E4CA65EA9D7FB6135CA11CC019B46DD676


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

For all supported x64-based versions
File name File version File size Date Time Platform
Win32k.sys 6.0.6002.19787 2,806,784 14-May-2017 17:13 x64
Win32k.sys 6.0.6002.24105 2,809,856 14-May-2017 18:43 x64
For all supported ia64-based versions
File name File version File size Date Time Platform
Win32k.sys 6.0.6002.19787 6,695,936 14-May-2017 16:59 IA-64
Win32k.sys 6.0.6002.24105 6,705,664 14-May-2017 16:48 IA-64

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Keywords: kb, atdownload, kbbug, kbexpertiseinter, kbfix, kblangall, kbmustloc, kbsecbulletin, kbsecreview, kbsecurity, kbsecvulnerability, kbsurveynew

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Article Info
Article ID : 4022887
Revision : 9
Created on : 6/13/2017
Published on : 6/13/2017
Exists online : False
Views : 200