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MS15-133: Description of the security update for Windows PGM: December 8, 2015


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Summary

This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker logs on to a targeted system and runs a specially crafted application that, by way of a race condition, results in references to memory locations that have already been freed. 

To learn more about the vulnerability, see Microsoft Security Bulletin MS15-133.

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More Information

Important
  • All future security and nonsecurity 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.

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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
Get security updates automatically.

Note For Windows RT and Windows RT 8.1, this update is available through Windows Update only.
Method 2: Microsoft Download Center

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More Information

How to obtain help and support for this security update

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File Information

File hash information
File information

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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 : 3109103
Revision : 1
Created on : 1/7/2017
Published on : 12/8/2015
Exists online : False
Views : 438