MS16-014: Description of the security update for Windows 8.1 and Windows Server 2012 R2: February 9, 2016

This security update resolves vulnerabilities in Windows. The most severe of the vulnerabilities could allow remote code execution if an attacker is able to log on to a target system and run a specially crafted application. To learn more about the vulnerabilities, seeĀ Microsoft Security Bulletin MS16-014.




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.

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 get security updates automatically, see the "Turn on automatic updating in Control Panel" section of this Safety & Security Center article.

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 download link in the following table that corresponds to the version of Windows that you are running. Find out if your computer is running the 32 or 64-bit version of Windows

Windows version

Download link

Windows 8.1

Download Download 32-bit (KB3126434)
Download Download 64-bit (KB3126434)

Windows Server 2012 R2

Download Download 64-bit (KB3126434)


File hash information

File name

SHA1 hash

SHA256 hash

Windows8.1-KB3126434-x86.msu

9AD104DE533179DA35249F0EBD4CC97B28DCA654

20282186A59D51895BC062739DAD3CCAC4D423ED7733664AD86D856F363E922D

Windows8.1-KB3126434-x64.msu

305A6F14FFC6BBF55BE58D78D2DAE6123FE1BC32

FA7CAC9FF30D38B320EED97D20BC4180F5A5B6158EF29AF620CED23C83250A74

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 8.1 and Windows Server 2012 R2 file information

Notes

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.17 xxx

    Windows 8.1 and Windows Server 2012 R2

    RTM

    GDR

  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Winsync.dll

2007.94.9600.18183

578,048

28-Dec-2015

20:31

x86

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Winsync.dll

2007.94.9600.18183

713,216

28-Dec-2015

21:42

x64

Winsync.dll

2007.94.9600.18183

578,048

28-Dec-2015

20:31

x86


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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