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MS16-065: Description of the security update for the .NET Framework 4.6 and 4.6.1 in Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2: May 10, 2016


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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

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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.

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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.

Note For Windows RT 8.1, this update is available through Windows Update only.

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 3142036

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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 information

File nameSHA1 hashSHA256 hash
Windows8.1-KB3142036-arm.msuC1AB14CCE5C3588C9251BEFBCC59FC6E0251EB10131CA705F77AD6173AA2B77D6ED59A0101BFDE324DA45FDB919925E08AC2FD85
Windows8.1-KB3142036-x86.msu8E4E5A720A568A3AFDC0B30E262A90E00FA802131ABD2466D36C0A51D1581B0AFD0876B01A67E2029B997446C5C465F4CF6CDFFD
Windows8.1-KB3142036-x64.msuB0AE577F56FDDDAF6BEFFBC8D4C8973F66F5841EA8A6FC5E0E069E08CD44D4D7EC0514979CFE50802255B3ADADC8782505236822

File information

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

File nameFile versionFile sizeDateTimePlatform
System.io.compression.filesystem.dll4.6.1075.033,03226-Feb-201603:21x86
System.io.compression.filesystem.dll4.6.1075.033,03226-Feb-201603:21x86
System.dll4.6.1075.03,460,73626-Feb-201603:21x86
System.dll4.6.1075.03,460,73626-Feb-201603:21x86

For all supported x64-based versions

File nameFile versionFile sizeDateTimePlatform
System.io.compression.filesystem.dll4.6.1075.033,03226-Feb-201603:21x86
System.io.compression.filesystem.dll4.6.1075.033,03226-Feb-201603:21x86
System.dll4.6.1075.03,460,73626-Feb-201603:21x86
System.dll4.6.1075.03,460,73626-Feb-201603:21x86
System.io.compression.filesystem.dll4.6.1075.033,03226-Feb-201603:21x86
System.io.compression.filesystem.dll4.6.1075.033,03226-Feb-201603:21x86
System.dll4.6.1075.03,460,73626-Feb-201603:21x86
System.dll4.6.1075.03,460,73626-Feb-201603:21x86

For all supported ARM-based versions

File nameFile versionFile sizeDateTimePlatform
System.dll4.6.1075.03,460,73626-Feb-201603:21x86

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

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Applies to

This article applies to the following:
  • Microsoft .NET Framework 4.6.1 when used with:
    • Windows Server 2012 R2
    • Windows 8.1
    • Windows RT 8.1
  • Microsoft .NET Framework 4.6 when used with:
    • Windows Server 2012 R2
    • Windows 8.1
    • Windows RT 8.1

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Keywords: atdownload, kbbug, kbexpertiseinter, kbfix, kblangall, kbsecurity, kbsecbulletin, kbsecreview, kb, kbsecvulnerability, kbmustloc

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Article Info
Article ID : 3142036
Revision : 1
Created on : 1/7/2017
Published on : 5/10/2016
Exists online : False
Views : 532