MS16-041: Description of the security update for the .NET Framework 4.6 and 4.6.1 in Windows Vista Service Pack 2, Windows Server 2008 Service Pack 2, Windows 7 Service Pack 1, and Windows Server 2008 R2 Service Pack 1: April 12, 2016

View products that this article applies to.

Summary

This security update resolves vulnerabilities in the Microsoft .NET Framework. The more severe of the vulnerabilities could cause remote code execution if an attacker with access to the local system executes a malicious application. To learn more about this vulnerability, see Microsoft Security Bulletin MS16-041.

To install this update, you must have Windows Installer 3.1 or a later version installed on the computer.

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 security update 3143693

Update deployment information

For deployment information about this update, see Microsoft Knowledge Base article 3148789.

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 hashFile name	SHA1 hash	SHA256 hash
NDP46-KB3143693-x64.exe	8C97EB25E1243581447BFC9D8D1C4A6A1E72DAEE	6D8EBCF2D6C38C94DDA21DACB42DAC72B2C361770E016DD460E095F911067E3B
NDP46-KB3143693-x86.exe	1D72424582599C26B95F7953EA2BA88DA7AA6EE2	D118517BE937F7D71A60C21FD82BEBBE1278CDF3EE223CA427DD6E2D020F4447
File attributesThe 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 systemsFile name	File version	File size	Date	Time
clr.dll	4.6.1076.0	7,003,272	08-Mar-2016	03:14
clrjit.dll	4.6.1076.0	511,136	08-Mar-2016	03:15
mscordacwks.dll	4.6.1076.0	1,271,472	08-Mar-2016	03:15
mscordbi.dll	4.6.1076.0	1,088,680	08-Mar-2016	03:15
mscoreei.dll	4.6.1076.0	497,824	08-Mar-2016	03:15
mscorlib.dll	4.6.1076.0	5,359,784	08-Mar-2016	03:15
peverify.dll	4.6.1076.0	173,216	08-Mar-2016	03:15
SOS.dll	4.6.1076.0	722,056	08-Mar-2016	03:15
For all supported x64-based versions of systemsFile name	File version	File size	Date	Time
—	—	—	—	—
clr.dll	4.6.1076.0	10,004,112	08-Mar-2016	03:30
clr.dll	4.6.1076.0	7,003,272	08-Mar-2016	03:14
clrjit.dll	4.6.1076.0	1,059,488	08-Mar-2016	03:30
clrjit.dll	4.6.1076.0	511,136	08-Mar-2016	03:15
compatjit.dll	4.6.1076.0	1,250,472	08-Mar-2016	03:30
mscordacwks.dll	4.6.1076.0	1,748,144	08-Mar-2016	03:30
mscordacwks.dll	4.6.1076.0	1,271,472	08-Mar-2016	03:15
mscordbi.dll	4.6.1076.0	1,519,784	08-Mar-2016	03:30
mscordbi.dll	4.6.1076.0	1,088,680	08-Mar-2016	03:15
mscoreei.dll	4.6.1076.0	617,640	08-Mar-2016	03:30
mscoreei.dll	4.6.1076.0	497,824	08-Mar-2016	03:15
mscorlib.dll	4.6.1076.0	5,277,344	08-Mar-2016	03:30
mscorlib.dll	4.6.1076.0	5,359,784	08-Mar-2016	03:15
peverify.dll	4.6.1076.0	252,576	08-Mar-2016	03:30
peverify.dll	4.6.1076.0	173,216	08-Mar-2016	03:15
SOS.dll	4.6.1076.0	833,168	08-Mar-2016	03:30
SOS.dll	4.6.1076.0	722,056	08-Mar-2016	03:15

__

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 toThis article applies to the following:

• Microsoft .NET Framework 4.6.1 when used with:
  • Windows Server 2008 R2 Service Pack 1
  • Windows 7 Service Pack 1
• Microsoft .NET Framework 4.6 when used with:
  • Windows Server 2008 R2 Service Pack 1
  • Windows 7 Service Pack 1
  • Windows Server 2008 Service Pack 2
  • Windows Vista Service Pack 2