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Summary

This security update resolves vulnerabilities in the Microsoft .NET Framework. The vulnerabilities could allow remote code execution if a user opens a specially crafted document or visits a webpage that contains specially crafted embedded fonts. To learn more about this vulnerability, see Microsoft Security Bulletin MS16-039.

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.

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 3142045

Update deployment information

For deployment information about this update, see Microsoft Knowledge Base article 3148522.

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 3135991.

File hash

Package Name

Package Hash SHA 1

Package Hash SHA 2

Windows8.1-KB3142045-x64.msu

BAB36D6819B60ECE0FB3DC47187DDE613B80E4DD

3B0B57DC1CCC1679CC820D315B99280F185C6F7BA854E71F6DD733B615E443E4

Windows8.1-KB3142045-x86.msu

79259A24825268E3CA580823704DAC0BABEF3990

5AEA219F65706902AD0BB6024BF388ADC12E4298E82ADE891DEE5F44BF1D5AD9

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 name

File version

File size

Date

Time

presentationframework.dll

3.0.6920.8712

5,283,840

17-Mar-2016

13:16

reachframework.dll

3.0.6920.8712

532,480

17-Mar-2016

13:16

windowsbase.dll

3.0.6920.8712

1,253,376

17-Mar-2016

13:16

presentationcore.dll

3.0.6920.8712

4,222,976

17-Mar-2016

13:16

presentationfontcache.exe.config

161

20-Aug-2015

13:24

wpfgfx_v0300.dll

3.0.6920.8712

1,737,888

17-Mar-2016

13:16

system.printing.dll

3.0.6920.8712

372,736

17-Mar-2016

13:16

penimc.dll

3.0.6920.8712

68,752

17-Mar-2016

13:16

presentationframework.dll

3.0.6920.8712

5,283,840

17-Mar-2016

13:16

presentationhostdll.dll

3.0.6920.8712

131,240

17-Mar-2016

13:16

reachframework.dll

3.0.6920.8712

532,480

17-Mar-2016

13:16

windowsbase.dll

3.0.6920.8712

1,253,376

17-Mar-2016

13:16

For all supported x64-based versions of systems

File name

File version

File size

Date

Time

presentationcore.dll

3.0.6920.8712

4,006,400

17-Mar-2016

13:18

presentationfontcache.exe.config

161

22-Aug-2015

13:27

wpfgfx_v0300.dll

3.0.6920.8712

2,256,032

17-Mar-2016

13:18

system.printing.dll

3.0.6920.8712

358,400

17-Mar-2016

13:18

penimc.dll

3.0.6920.8712

85,648

17-Mar-2016

13:18

presentationframework.dll

3.0.6920.8712

4,640,768

17-Mar-2016

13:18

presentationhostdll.dll

3.0.6920.8712

172,200

17-Mar-2016

13:18

reachframework.dll

3.0.6920.8712

532,480

17-Mar-2016

13:18

windowsbase.dll

3.0.6920.8712

1,114,112

17-Mar-2016

13:18

presentationframework.dll

3.0.6920.8712

5,283,840

17-Mar-2016

13:16

reachframework.dll

3.0.6920.8712

532,480

17-Mar-2016

13:16

windowsbase.dll

3.0.6920.8712

1,253,376

17-Mar-2016

13:16

presentationcore.dll

3.0.6920.8712

4,222,976

17-Mar-2016

13:16

presentationfontcache.exe.config

161

20-Aug-2015

13:24

wpfgfx_v0300.dll

3.0.6920.8712

1,737,888

17-Mar-2016

13:16

system.printing.dll

3.0.6920.8712

372,736

17-Mar-2016

13:16

penimc.dll

3.0.6920.8712

68,752

17-Mar-2016

13:16

presentationframework.dll

3.0.6920.8712

5,283,840

17-Mar-2016

13:16

presentationhostdll.dll

3.0.6920.8712

131,240

17-Mar-2016

13:16

reachframework.dll

3.0.6920.8712

532,480

17-Mar-2016

13:16

windowsbase.dll

3.0.6920.8712

1,253,376

17-Mar-2016

13:16


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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