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Microsoft security advisory: Vulnerability in Microsoft Malicious Software Removal Tool could allow elevation of privilege: July 14, 2015

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Summary

Microsoft has released a Microsoft security advisory about this issue for IT professionals. The security advisory contains additional security-related information. To learn more about the vulnerability, see https://technet.microsoft.com/security/advisory/3074162

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More Information

Important
  • All future security and non-security updates for Windows 8.1 and Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install update 2919355 on your 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.
For more information about the Malicious Software Removal Tool (MSRT), click the following article number to view the article in the Microsoft Knowledge Base:
890830 The Microsoft Windows Malicious Software Removal Tool helps remove specific, prevalent malicious software from computers that are running supported versions of 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.

Method 2: Microsoft Download Center

You can obtain the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update. Click the following link to download the file for all Windows versions:

Download Download (3074162)


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More Information

File hash information
File nameSHA1 hashSHA256 hash
Windows-KB890830-V5.26.exe2731AD858C623A9772244B0838ED7F3F212A6B9D05B6F1BF69760E73AC5FB760D217B8F484F20C9209667AD2CC01D0850528042F
Windows-KB890830-x64-V5.26.exe580E9F53164AE0852F5414DADFB22A6C2B03C9119C12D0F141C8142AA3EF5E6D06AE4D608B4F1354A533C36559D0F72D354A7C7D
File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

For all supported x64-based systems

File nameFile versionFile sizeDateTimePlatform
Mrt.exe5.26.11603.0130,666,66402-Jul-201504:00x64
Mrtstub.exe5.26.11603.093,92002-Jul-201503:46x64

For all supported x86-based systems

File nameFile versionFile sizeDateTimePlatform
Mrt.exe5.26.11603.0127,403,69602-Jul-201503:51x86
Mrtstub.exe5.26.11603.089,81602-Jul-201503:49x86
How to obtain help and support for this security update
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

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Applies to:

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Keywords: kb, kbsecreview, kbexpertiseinter, kbinfo, kbsecadvisory, kbsecurity, kbsecvulnerability, kblangall, kbmustloc, kbsurveynew

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Article Info
Article ID : 3074162
Revision : 1
Created on : 1/7/2017
Published on : 8/2/2015
Exists online : False
Views : 311