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MS16-035: Description of the security update for the .NET Framework 4.6 and 4.6.1 in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2: March 8, 2016

Notice
May 10, 2016 This security update has been re-released and contains updated files. This re-release is intended for LDR (limited distribution release) content customers only. We determined that there were some issues in certain printing scenarios because of a missing dependency. If you use LDR content, we recommend that you apply this updated security update. There are no changes in this re-release for GDR (general distribution release) content customers.
Summary
This update resolves a vulnerability in the Microsoft .NET Framework. The security feature bypass exists in a .NET Framework component that does not properly validate certain elements of a signed XML document. To learn more about this vulnerability, see Microsoft Security Bulletin MS16-035.

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.

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

For Windows RT 8.1, this update is available through Windows Update only.

Method 2: Microsoft Download Center

You can obtain the stand-alone update package through the Microsoft Download Center. To install this update, follow the install instructions on the download page.

DownloadDownload security update 3135998

Update deployment information

For deployment information about this update, see Microsoft Knowledge Base article 3141780.

Update removal information

Note We do not recommend that you remove any security update.

To remove this update, use the Programs and Features item in Control Panel.

Update restart information

This update does not require a system restart after you apply it unless files that are being updated are locked or are being used.

Update replacement information

This update does not replace any previously released update.

File information

File hash

Windows8.1-KB3135998-arm.msu7BB249AFB834094337920D40E27A64CD4BA337B6DD6F0A3BB8E5921DA40A96DCB2910E5E4F3C343B4C890053EA6C604E2560C833
Windows8.1-KB3135998-x64.msu2B0809324B818C9A6943974A76A08326085C85B489EAFC7706C22CABA92BB861F88673892D650A4F1E71CA6BD9E3879DA5E6B7E7
Windows8.1-KB3135998-x86.msuE31D79FDE012824DDB5776C243C12B0C134DFAD59F2D2D695FA2E8EFBB788D8E212994E6740D40FF5E12EC39598B3CB3877C7EDF

File attributes

The English (United States) version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

For all supported x86-based versions of systems

File nameFile versionFile sizeDateTime
presentationframework.dll4.6.1080.06,080,88812-Apr-201603:33
reachframework.dll4.6.1080.0583,00012-Apr-201603:33
system.security.dll4.6.1080.0288,95212-Apr-201603:33
system.windows.controls.ribbon.dll4.6.1080.0740,24812-Apr-201603:33
system.xaml.dll4.6.1080.0626,84812-Apr-201603:33
windowsbase.dll4.6.1080.01,254,72812-Apr-201603:33
msvcp120_clr0400.dll12.0.52512.0484,55220-Feb-201600:20
msvcr120_clr0400.dll12.0.52512.0987,84820-Feb-201600:20
wpfgfx_v0400.dll4.6.1080.01,692,33612-Apr-201603:33
presentationcore.dll4.6.1080.03,491,16812-Apr-201603:33
system.printing.dll4.6.1080.0366,93612-Apr-201603:33

For all supported x64-based versions of systems

File nameFile versionFile sizeDateTime
msvcp120_clr0400.dll12.0.52512.0690,01620-Feb-201600:20
msvcr120_clr0400.dll12.0.52512.0993,63220-Feb-201600:20
presentationframework.dll4.6.1080.06,080,88812-Apr-201603:33
reachframework.dll4.6.1080.0583,00012-Apr-201603:33
system.security.dll4.6.1080.0288,95212-Apr-201603:33
system.windows.controls.ribbon.dll4.6.1080.0740,24812-Apr-201603:33
system.xaml.dll4.6.1080.0626,84812-Apr-201603:33
windowsbase.dll4.6.1080.01,254,72812-Apr-201603:33
wpfgfx_v0400.dll4.6.1080.02,148,53612-Apr-201603:26
presentationcore.dll4.6.1080.03,469,00012-Apr-201603:26
system.printing.dll4.6.1080.0366,27212-Apr-201603:26
presentationframework.dll4.6.1080.06,080,88812-Apr-201603:33
reachframework.dll4.6.1080.0583,00012-Apr-201603:33
system.security.dll4.6.1080.0288,95212-Apr-201603:33
system.windows.controls.ribbon.dll4.6.1080.0740,24812-Apr-201603:33
system.xaml.dll4.6.1080.0626,84812-Apr-201603:33
windowsbase.dll4.6.1080.01,254,72812-Apr-201603:33
msvcp120_clr0400.dll12.0.52512.0484,55220-Feb-201600:20
msvcr120_clr0400.dll12.0.52512.0987,84820-Feb-201600:20
wpfgfx_v0400.dll4.6.1080.01,692,33612-Apr-201603:33
presentationcore.dll4.6.1080.03,491,16812-Apr-201603:33
system.printing.dll4.6.1080.0366,93612-Apr-201603:33

For all supported ARM-based versions of systems

File nameFile versionFile sizeDateTimePlatform
Msvcp120_clr0400.dll12.0.52242.36242602,08020-Feb-201600:20Not Applicable
Msvcr120_clr0400.dll12.0.52242.36242634,33620-Feb-201600:20Not Applicable
System.security.dll4.6.1080.0288,95212-Apr-201603:33x86
System.xaml.dll4.6.1080.0626,84812-Apr-201603:33x86

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

Applies to

This article applies to the following:
  • Microsoft .NET Framework 4.6 and 4.6.1 when used with:
    • Windows Server 2012 R2
    • Windows RT 8.1
    • Windows 8.1
Properties

Article ID: 3135998 - Last Review: 05/24/2016 22:07:00 - Revision: 4.0

Microsoft .NET Framework 4.6.1, Microsoft .NET Framework 4.6

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