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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.

Known issues in this security update

You may experience the following issue after you install this update:

After you apply security update 3141780, .NET Framework applications encounter exception errors or unexpected failures while processing files that contain SignedXml

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.

Note 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.

Download Download security update 3135991

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 replaces previously released update 3099864.

File hash

Windows8.1-KB3135991-x64.msu

479DC56E27CE1055D66A54A3417564CC5CC58BD0

D5B5772AB0CAACF2EF4F57EF1F5F504708E45FD75E0CC4392D33AC5CD48B7D28

Windows8.1-KB3135991-x86.msu

253317D61F65FABCCD1F81682C5C8B7DC2D27321

8963196BAF868D6909A10F117CA2BB9661EEEC187ED4A15EA470EA9236F44DEB

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

GDR service branch

File name

File version

File size

Date

Time

presentationframework.dll

3.0.6920.8010

5,283,840

06-Feb-2016

14:16

reachframework.dll

3.0.6920.8010

532,480

06-Feb-2016

14:16

windowsbase.dll

3.0.6920.8010

1,253,376

06-Feb-2016

14:16

presentationcore.dll

3.0.6920.8010

4,222,976

06-Feb-2016

14:16

presentationfontcache.exe.config

161

29-Aug-2015

13:35

wpfgfx_v0300.dll

3.0.6920.8010

1,737,888

06-Feb-2016

14:16

system.printing.dll

3.0.6920.8010

372,736

06-Feb-2016

14:16

penimc.dll

3.0.6920.8010

68,752

06-Feb-2016

14:16

presentationframework.dll

3.0.6920.8010

5,283,840

06-Feb-2016

14:16

presentationhostdll.dll

3.0.6920.8010

131,240

06-Feb-2016

14:16

reachframework.dll

3.0.6920.8010

532,480

06-Feb-2016

14:16

windowsbase.dll

3.0.6920.8010

1,253,376

06-Feb-2016

14:16

LDR service branch

File name

File version

File size

Date

Time

presentationframework.dll

3.0.6920.8702

5,283,840

09-Feb-2016

14:13

reachframework.dll

3.0.6920.8702

532,480

09-Feb-2016

14:13

windowsbase.dll

3.0.6920.8702

1,253,376

09-Feb-2016

14:13

presentationcore.dll

3.0.6920.8702

4,222,976

09-Feb-2016

14:13

presentationfontcache.exe.config

161

20-Aug-2015

13:24

wpfgfx_v0300.dll

3.0.6920.8702

1,737,888

09-Feb-2016

14:13

system.printing.dll

3.0.6920.8702

372,736

09-Feb-2016

14:13

penimc.dll

3.0.6920.8702

68,752

09-Feb-2016

14:13

presentationframework.dll

3.0.6920.8702

5,283,840

09-Feb-2016

14:13

presentationhostdll.dll

3.0.6920.8702

131,240

09-Feb-2016

14:13

reachframework.dll

3.0.6920.8702

532,480

09-Feb-2016

14:13

windowsbase.dll

3.0.6920.8702

1,253,376

09-Feb-2016

14:13

For all supported x64-based versions of systems

GDR service branch

File name

File version

File size

Date

Time

presentationcore.dll

3.0.6920.8010

4,005,376

06-Feb-2016

14:15

presentationfontcache.exe.config

161

09-Oct-2015

13:58

wpfgfx_v0300.dll

3.0.6920.8010

2,256,032

06-Feb-2016

14:15

system.printing.dll

3.0.6920.8010

358,400

06-Feb-2016

14:15

penimc.dll

3.0.6920.8010

85,648

06-Feb-2016

14:15

presentationframework.dll

3.0.6920.8010

4,640,768

06-Feb-2016

14:15

presentationhostdll.dll

3.0.6920.8010

172,200

06-Feb-2016

14:15

reachframework.dll

3.0.6920.8010

532,480

06-Feb-2016

14:15

windowsbase.dll

3.0.6920.8010

1,114,112

06-Feb-2016

14:15

presentationframework.dll

3.0.6920.8010

5,283,840

06-Feb-2016

14:16

reachframework.dll

3.0.6920.8010

532,480

06-Feb-2016

14:16

windowsbase.dll

3.0.6920.8010

1,253,376

06-Feb-2016

14:16

presentationcore.dll

3.0.6920.8010

4,222,976

06-Feb-2016

14:16

presentationfontcache.exe.config

161

29-Aug-2015

13:35

wpfgfx_v0300.dll

3.0.6920.8010

1,737,888

06-Feb-2016

14:16

system.printing.dll

3.0.6920.8010

372,736

06-Feb-2016

14:16

penimc.dll

3.0.6920.8010

68,752

06-Feb-2016

14:16

presentationframework.dll

3.0.6920.8010

5,283,840

06-Feb-2016

14:16

presentationhostdll.dll

3.0.6920.8010

131,240

06-Feb-2016

14:16

reachframework.dll

3.0.6920.8010

532,480

06-Feb-2016

14:16

windowsbase.dll

3.0.6920.8010

1,253,376

06-Feb-2016

14:16

LDR service branch

File name

File version

File size

Date

Time

presentationcore.dll

3.0.6920.8702

4,005,376

03-Feb-2016

14:14

presentationfontcache.exe.config

161

22-Aug-2015

13:27

wpfgfx_v0300.dll

3.0.6920.8702

2,256,032

09-Feb-2016

14:13

system.printing.dll

3.0.6920.8702

358,400

03-Feb-2016

14:14

penimc.dll

3.0.6920.8702

85,648

09-Feb-2016

14:13

presentationframework.dll

3.0.6920.8702

4,640,768

03-Feb-2016

14:14

presentationhostdll.dll

3.0.6920.8702

172,200

09-Feb-2016

14:13

reachframework.dll

3.0.6920.8702

532,480

03-Feb-2016

14:14

windowsbase.dll

3.0.6920.8702

1,114,112

03-Feb-2016

14:14

presentationframework.dll

3.0.6920.8702

5,283,840

09-Feb-2016

14:13

reachframework.dll

3.0.6920.8702

532,480

09-Feb-2016

14:13

windowsbase.dll

3.0.6920.8702

1,253,376

09-Feb-2016

14:13

presentationcore.dll

3.0.6920.8702

4,222,976

09-Feb-2016

14:13

presentationfontcache.exe.config

161

20-Aug-2015

13:24

wpfgfx_v0300.dll

3.0.6920.8702

1,737,888

09-Feb-2016

14:13

system.printing.dll

3.0.6920.8702

372,736

09-Feb-2016

14:13

penimc.dll

3.0.6920.8702

68,752

09-Feb-2016

14:13

presentationframework.dll

3.0.6920.8702

5,283,840

09-Feb-2016

14:13

presentationhostdll.dll

3.0.6920.8702

131,240

09-Feb-2016

14:13

reachframework.dll

3.0.6920.8702

532,480

09-Feb-2016

14:13

windowsbase.dll

3.0.6920.8702

1,253,376

09-Feb-2016

14:13


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 toThis article applies to the following:

  • Microsoft .NET Framework 3.5 when used with:

    • Windows Server 2012 R2

    • Windows 8.1

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