Applies To.NET Framework 3.5.1

View products that this article applies to.

Summary

This security update resolves a vulnerability in the Microsoft .NET Framework. The vulnerability could cause information disclosure if an attacker injects unencrypted data in the target secure channel and then performs a man-in-the-middle (MiTM) attack between the targeted client and a legitimate server. To learn more about these vulnerabilities, see Microsoft Security Bulletin MS16-065 and the following article in the Microsoft Knowledge Base:

3155464 MS16-065: Description of the TLS/SSL protocol information disclosure vulnerability (CVE-2016-0149): May 10, 2016

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.DownloadDownload security update 3142024

Update deployment information

For deployment information about this update, see Microsoft Knowledge Base Article 3156757.

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 hash

File name

SHA1 hash

SHA256 hash

Windows6.1-KB3142024-ia64.msu

0A40CF2C643DF7B1550B82398D0199280927024C

573565C1C276C6E5C946E588FA3A3AD20C206A58C6871E99A32E237813E985DE

Windows6.1-KB3142024-x64.msu

1F039BE67E608A5A2719137524A70A28DB5F01CD

3DF96427B086E49FD6ECD135903D99429F399586F879303B980DC119F368AF86

Windows6.1-KB3142024-x86.msu

F71439763D753DA6EF509A6D9968319933834984

69BADD1F7562F726597174296F6C09891B5D48E77CFB1F328A8C199AF640C5F2

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

system.resources.dll

2.0.50727.5420

241,664

05-Jun-2015

13:54

system.resources.dll

2.0.50727.5420

204,800

03-Jun-2015

20:18

system.resources.dll

2.0.50727.5420

200,704

03-Jun-2015

20:16

system.resources.dll

2.0.50727.5420

212,992

05-Jun-2015

13:54

system.resources.dll

2.0.50727.5420

294,912

03-Jun-2015

20:16

system.resources.dll

2.0.50727.5420

208,896

03-Jun-2015

20:18

system.resources.dll

2.0.50727.5420

200,704

03-Jun-2015

20:16

system.resources.dll

2.0.50727.5420

212,992

05-Jun-2015

13:54

system.resources.dll

2.0.50727.5420

221,184

03-Jun-2015

20:16

system.resources.dll

2.0.50727.5420

217,088

03-Jun-2015

20:18

system.resources.dll

2.0.50727.5420

204,800

03-Jun-2015

20:19

system.resources.dll

2.0.50727.5420

233,472

05-Jun-2015

13:54

system.resources.dll

2.0.50727.5420

217,088

05-Jun-2015

13:54

system.resources.dll

2.0.50727.5420

196,608

03-Jun-2015

20:16

system.resources.dll

2.0.50727.5420

208,896

03-Jun-2015

20:18

system.resources.dll

2.0.50727.5420

208,896

03-Jun-2015

20:18

system.resources.dll

2.0.50727.5420

208,896

03-Jun-2015

20:18

system.resources.dll

2.0.50727.5420

208,896

03-Jun-2015

20:18

system.resources.dll

2.0.50727.5420

266,240

03-Jun-2015

20:18

system.resources.dll

2.0.50727.5420

200,704

03-Jun-2015

20:18

system.resources.dll

2.0.50727.5420

200,704

03-Jun-2015

20:18

system.resources.dll

2.0.50727.5420

184,320

05-Jun-2015

13:54

system.resources.dll

2.0.50727.5420

184,320

05-Jun-2015

14:25

system.dll

2.0.50727.8686

3,203,072

24-Feb-2016

14:07

For all supported x64-based versions of systems

File name

File version

File size

Date

Time

system.dll

2.0.50727.8686

3,203,072

24-Feb-2016

14:07

system.resources.dll

2.0.50727.5420

241,664

19-Jun-2015

13:11

system.resources.dll

2.0.50727.5420

204,800

03-Jun-2015

20:19

system.resources.dll

2.0.50727.5420

200,704

03-Jun-2015

20:16

system.resources.dll

2.0.50727.5420

212,992

19-Jun-2015

13:13

system.resources.dll

2.0.50727.5420

294,912

19-Jun-2015

13:11

system.resources.dll

2.0.50727.5420

208,896

19-Jun-2015

13:12

system.resources.dll

2.0.50727.5420

200,704

03-Jun-2015

20:16

system.resources.dll

2.0.50727.5420

212,992

19-Jun-2015

13:13

system.resources.dll

2.0.50727.5420

221,184

03-Jun-2015

20:17

system.resources.dll

2.0.50727.5420

217,088

03-Jun-2015

20:19

system.resources.dll

2.0.50727.5420

204,800

03-Jun-2015

20:19

system.resources.dll

2.0.50727.5420

233,472

19-Jun-2015

13:13

system.resources.dll

2.0.50727.5420

217,088

19-Jun-2015

13:12

system.resources.dll

2.0.50727.5420

196,608

03-Jun-2015

20:17

system.resources.dll

2.0.50727.5420

208,896

03-Jun-2015

20:19

system.resources.dll

2.0.50727.5420

208,896

03-Jun-2015

20:19

system.resources.dll

2.0.50727.5420

208,896

19-Jun-2015

13:12

system.resources.dll

2.0.50727.5420

208,896

03-Jun-2015

20:19

system.resources.dll

2.0.50727.5420

266,240

19-Jun-2015

13:12

system.resources.dll

2.0.50727.5420

200,704

03-Jun-2015

20:19

system.resources.dll

2.0.50727.5420

200,704

03-Jun-2015

20:18

system.resources.dll

2.0.50727.5420

184,320

19-Jun-2015

13:13

system.resources.dll

2.0.50727.5420

184,320

19-Jun-2015

13:13

system.dll

2.0.50727.8686

3,203,072

24-Feb-2016

14:07

For all supported IA64-based versions of systems

File name

File version

File size

Date

Time

system.dll

2.0.50727.8686

3,203,072

24-Feb-2016

14:07

system.resources.dll

2.0.50727.5420

212,992

19-Jun-2015

13:09

system.resources.dll

2.0.50727.5420

212,992

19-Jun-2015

13:09

system.resources.dll

2.0.50727.5420

233,472

19-Jun-2015

13:09

system.resources.dll

2.0.50727.5420

217,088

19-Jun-2015

13:09

system.resources.dll

2.0.50727.5420

184,320

19-Jun-2015

13:09

system.resources.dll

2.0.50727.5420

184,320

19-Jun-2015

13:09

system.dll

2.0.50727.8686

3,203,072

24-Feb-2016

14:07

Help for installing updates: Support for Microsoft UpdateSecurity solutions for IT professionals: TechNet Security Troubleshooting and SupportHelp for protecting your Windows-based computer from viruses and malware: Virus Solution and Security CenterLocal support according to your country: International Support

Applies toThis 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

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