Note

Known issues in this security update

View products that this article applies to.

Summary

This update resolves a vulnerability in the Microsoft .NET Framework that could allow remote code execution when the .NET Framework fails to properly validate input before loading libraries. An attacker who successfully exploits this vulnerability could take control of an affected system. The attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. To learn more about this vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2017-0160.

Important

  • 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.

Additional information about this security update

  • For any Windows Management Instrumentation (WMI) applications returning the following error message:

    Get-WmiObject: The method or operation is not implemented.

    To temporarily disable this update, customers can apply the following registry entry to their system.

    Warning: Enabling this registry entry could allow security vulnerabilities including Remote Code Execution.

    Registry entry

    • For 32-bit process on 32-bit system and 64-bit process on 64-bit system:

      HKEY_LOCAL_MACHINE\Software\Microsoft\.NETFramework\v2.0.50727@WMIDisableCOMSecurity=1

    • For 32-bit process on 64-bit system:

      HKEY_LOCAL_MACHINE \Software\Wow6432Node\Microsoft\.NETFramework\v2.0.50727@WMIDisableCOMSecurity=1

    Notes

    • This registry entry should be a DWORD entry.

    • This registry entry restores the previous unsecured state.

  • For more information about this security update as it relates to Windows 7 and Windows Server 2008 R2, see the following article in the Microsoft Knowledge Base:

4014981 Security and Quality Rollup for the .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, and 4.6.2 updates for Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1: April 11, 2017

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 get security updates automatically, see Windows Update: FAQ.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog.

Method 3: Windows Software Update Services (WSUS)

On your WSUS server, follow these steps:

  1. Click Start, click Administrative Tools, and then click Microsoft Windows Server Update Services 3.0.

  2. Expand ComputerName, and then click Action.

  3. Click Import Updates.

  4. WSUS will open a browser window in which you may be prompted to install an ActiveX control. You must install the ActiveX control to continue.

  5. Once the control is installed, you will see the Microsoft Update Catalog screen. Enter 4014981 in the Search box, and then click Search.

  6. Locate the .NET Framework packages that match the operating systems, languages, and processors in your environment. Click Add to add them to your basket.

  7. When you have selected all the packages you need, click View Basket.

  8. Click Import to import the packages to your WSUS server.

  9. Click Close once the packages have been imported to return to WSUS.

The updates are now available for installation through WSUS.

Update deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:

Security update deployment information: April 11, 2017

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 3205402.

File information

File name

SHA1 hash

SHA256 hash

Windows6.1-KB4014565-x64.msu

5EC5C4F1020E0C7AA56BD6DD59E9B7B6124DF809

6AAC5E8E2CC0FCC1EBA4935A509C2BF0CB7400CE35B3B1BD3338B40385C22C0B

Windows6.1-KB4014565-ia64.msu

B6D1F97747505AACBFE44377F9BA3605675C0FC7

11DD32199E3877AED1DC073B2D5B3A4D4007DEC2029316936A1D706687EB9698

Windows6.1-KB4014565-x86.msu

A8749D60FB61F5558FBB501D4CA68B978E3742C3

96D029DB573B1698005332F0E434B96EAA4AF4DBEBB75464C9F454916DE8AEEC


File attributes

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

Windows 7 and Windows Server 2008 R2 file information

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

File name

File version

File size

Date

Time

Platform

System.management.dll

2.0.50727.8758

389,120

20-Mar-2017

22:54

x86

Wminet_utils.dll

2.0.50727.8758

140,960

20-Mar-2017

22:54

x64

Presentationcore.dll

3.0.6920.8720

4,006,400

01-Sep-2016

13:06

x64

Presentationfontcache.exe.config

Not applicable

161

23-Mar-2016

22:39

Not applicable

Wpfgfx_v0300.dll

3.0.6920.8720

2,256,032

01-Sep-2016

13:06

x64

System.data.dll

2.0.50727.8751

3,150,336

01-Dec-2016

14:07

x64

System.printing.dll

3.0.6920.8720

358,400

01-Sep-2016

13:06

x64

Penimc.dll

3.0.6920.8720

85,648

01-Sep-2016

13:06

x64

Presentationframework.dll

3.0.6920.8720

4,640,768

01-Sep-2016

13:06

x86

Presentationhostdll.dll

3.0.6920.8720

172,208

01-Sep-2016

13:06

x64

Reachframework.dll

3.0.6920.8720

532,480

01-Sep-2016

13:06

x86

Windowsbase.dll

3.0.6920.8720

1,114,112

01-Sep-2016

13:06

x86

Presentationframework.dll

3.0.6920.8720

5,283,840

01-Sep-2016

13:05

x86

Reachframework.dll

3.0.6920.8720

532,480

01-Sep-2016

13:05

x86

System.management.dll

2.0.50727.8758

389,120

20-Mar-2017

22:54

x86

Windowsbase.dll

3.0.6920.8720

1,253,376

01-Sep-2016

13:05

x86

Wminet_utils.dll

2.0.50727.8758

116,896

20-Mar-2017

22:54

x86

Presentationcore.dll

3.0.6920.8720

4,222,976

01-Sep-2016

13:05

x86

Presentationfontcache.exe.config

Not applicable

161

23-Mar-2016

22:38

Not applicable

Wpfgfx_v0300.dll

3.0.6920.8720

1,737,888

01-Sep-2016

13:05

x86

System.data.dll

2.0.50727.8751

2,975,744

01-Dec-2016

14:07

x86

System.printing.dll

3.0.6920.8720

372,736

01-Sep-2016

13:05

x86

Penimc.dll

3.0.6920.8720

68,752

01-Sep-2016

13:05

x86

Presentationframework.dll

3.0.6920.8720

5,283,840

01-Sep-2016

13:05

x86

Presentationhostdll.dll

3.0.6920.8720

131,248

01-Sep-2016

13:05

x86

Reachframework.dll

3.0.6920.8720

532,480

01-Sep-2016

13:05

x86

Windowsbase.dll

3.0.6920.8720

1,253,376

01-Sep-2016

13:05

x86

File name

File version

File size

Date

Time

Platform

System.management.dll

2.0.50727.8758

389,120

20-Mar-2017

22:54

x86

Wminet_utils.dll

2.0.50727.8758

290,976

20-Mar-2017

22:54

IA-64

System.data.dll

2.0.50727.8751

3,310,592

01-Dec-2016

14:08

IA-64

System.management.dll

2.0.50727.8758

389,120

20-Mar-2017

22:54

x86

Wminet_utils.dll

2.0.50727.8758

116,896

20-Mar-2017

22:54

x86

System.data.dll

2.0.50727.8751

2,975,744

01-Dec-2016

14:07

x86

File name

File version

File size

Date

Time

Platform

Presentationframework.dll

3.0.6920.8720

5,283,840

01-Sep-2016

13:05

x86

Reachframework.dll

3.0.6920.8720

532,480

01-Sep-2016

13:05

x86

System.management.dll

2.0.50727.8758

389,120

20-Mar-2017

22:54

x86

Windowsbase.dll

3.0.6920.8720

1,253,376

01-Sep-2016

13:05

x86

Wminet_utils.dll

2.0.50727.8758

116,896

20-Mar-2017

22:54

x86

Presentationcore.dll

3.0.6920.8720

4,222,976

01-Sep-2016

13:05

x86

Presentationfontcache.exe.config

Not applicable

161

23-Mar-2016

22:38

Not applicable

Wpfgfx_v0300.dll

3.0.6920.8720

1,737,888

01-Sep-2016

13:05

x86

System.data.dll

2.0.50727.8751

2,975,744

01-Dec-2016

14:07

x86

System.printing.dll

3.0.6920.8720

372,736

01-Sep-2016

13:05

x86

Penimc.dll

3.0.6920.8720

68,752

01-Sep-2016

13:05

x86

Presentationframework.dll

3.0.6920.8720

5,283,840

01-Sep-2016

13:05

x86

Presentationhostdll.dll

3.0.6920.8720

131,248

01-Sep-2016

13:05

x86

Reachframework.dll

3.0.6920.8720

532,480

01-Sep-2016

13:05

x86

Windowsbase.dll

3.0.6920.8720

1,253,376

01-Sep-2016

13:05

x86

How to obtain help and support for this security update

Help for installing updates: Windows Update FAQ

Security solutions for IT professionals: Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Windows Secure

Local support according to your country: International Support

Applies to

This article applies to the following:

  • Microsoft .NET Framework 3.5.1 when used with:

    • Windows Server 2008 R2 Service Pack 1

    • Windows 7 Service Pack 1

Query words

update security_patch security_update security bug flaw vulnerability malicious attacker exploit registry unauthenticated buffer overrun overflow specially-formed scope specially-crafted denial of service DoS

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