MS16-065: Description of the security update for the .NET Framework 3.5 in Windows 8.1 and Windows Server 2012 R2: May 10, 2016

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
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.

DownloadDownload security update 3142026

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 information

File hash

File nameSHA1 hashSHA256 hash
Windows8.1-KB3142026-x64.msu093CC51CF8070C22A58F82A4DE2A7B4C6E3161F028B7BA31B92872EC4E91B9D364FDA7B4E87C2D7745680B41E044C7AF41650D54
Windows8.1-KB3142026-x64.msu15EFE8028C10F7AED0FA6DDF591316F524A9DF4A368081D6AD36BC46D96488E849CBB01AB945F261C16F0D8CEB7D91DB2469384E
Windows8.1-KB3142026-x86.msuB29C50DCD64628D9FF69A28FD9508DA9B59403A58AF7A0DF244202CE942310915FDB5249536C3777CBDEAF49ACC6F9D621BD4A63
Windows8.1-KB3142026-x86.msuBB8A6BA0458FA6C4BD5FE4AEC5A8190BDCC553BF25E5AC3D1D5CF9611C10EF28A55699BF7EC9609D442058457B2DBF0C8DE4DA30

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 nameFile versionFile sizeDateTime
system.resources.dll2.0.50727.7905241,66421-Oct-201513:22
system.resources.dll2.0.50727.7905204,80018-Sep-201513:30
system.resources.dll2.0.50727.7905200,70418-Sep-201513:29
system.resources.dll2.0.50727.7905212,99218-Sep-201513:31
system.resources.dll2.0.50727.7905294,91209-Oct-201513:34
system.resources.dll2.0.50727.7905208,89618-Sep-201513:20
system.resources.dll2.0.50727.7905200,70409-Oct-201513:32
system.resources.dll2.0.50727.7905212,99221-Oct-201513:27
system.resources.dll2.0.50727.7905221,18409-Oct-201513:30
system.resources.dll2.0.50727.7905217,08809-Oct-201513:31
system.resources.dll2.0.50727.7905204,80003-Oct-201505:58
system.resources.dll2.0.50727.7905233,47203-Oct-201505:55
system.resources.dll2.0.50727.7905217,08803-Oct-201505:58
system.resources.dll2.0.50727.7905196,60817-Dec-201514:11
system.resources.dll2.0.50727.7905208,89617-Dec-201514:11
system.resources.dll2.0.50727.7905208,89617-Dec-201514:11
system.resources.dll2.0.50727.7905208,89608-Sep-201517:25
system.resources.dll2.0.50727.7905208,89608-Sep-201517:25
system.resources.dll2.0.50727.7905266,24026-Sep-201514:14
system.resources.dll2.0.50727.7905200,70426-Sep-201514:12
system.resources.dll2.0.50727.7905200,70416-Sep-201500:57
system.resources.dll2.0.50727.7905184,32016-Sep-201500:52
system.resources.dll2.0.50727.7905184,32021-Oct-201513:27
system.dll2.0.50727.86863,203,07203-Mar-201614:13

For all supported x64-based versions of systems

File nameFile versionFile sizeDateTime
system.dll2.0.50727.86863,203,07203-Mar-201614:11
system.resources.dll2.0.50727.7905241,66404-Mar-201614:12
system.resources.dll2.0.50727.7905204,80004-Mar-201614:13
system.resources.dll2.0.50727.7905200,70404-Mar-201614:12
system.resources.dll2.0.50727.7905212,99204-Mar-201614:12
system.resources.dll2.0.50727.7905294,91204-Nov-201506:38
system.resources.dll2.0.50727.7905208,89604-Nov-201506:42
system.resources.dll2.0.50727.7905200,70404-Mar-201614:14
system.resources.dll2.0.50727.7905212,99204-Mar-201614:17
system.resources.dll2.0.50727.7905221,18404-Mar-201614:12
system.resources.dll2.0.50727.7905217,08804-Mar-201614:15
system.resources.dll2.0.50727.7905204,80023-Oct-201521:37
system.resources.dll2.0.50727.7905233,47223-Oct-201521:38
system.resources.dll2.0.50727.7905217,08823-Oct-201521:38
system.resources.dll2.0.50727.7905196,60804-Mar-201614:14
system.resources.dll2.0.50727.7905208,89604-Mar-201614:15
system.resources.dll2.0.50727.7905208,89604-Mar-201614:15
system.resources.dll2.0.50727.7905208,89608-Nov-201515:04
system.resources.dll2.0.50727.7905208,89608-Nov-201515:04
system.resources.dll2.0.50727.7905266,24004-Mar-201614:15
system.resources.dll2.0.50727.7905200,70404-Mar-201614:16
system.resources.dll2.0.50727.7905200,70404-Mar-201614:14
system.resources.dll2.0.50727.7905184,32004-Mar-201614:12
system.resources.dll2.0.50727.7905184,32004-Mar-201614:16
system.dll2.0.50727.86863,203,07203-Mar-201614:13

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 to

This article applies to the following:
  • Microsoft .NET Framework 3.5 when used with:
    • Windows Server 2012 R2
    • Windows 8.1
Properties

Article ID: 3142026 - Last Review: 05/10/2016 17:23:00 - Revision: 1.0

Microsoft .NET Framework 3.5

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