MS16-155: Description of the Security and Quality Rollup for the .NET Framework 4.6.2 for Windows Server 2012: December 13, 2016

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Summary

This update resolves vulnerabilities in the Microsoft .NET Framework. A security vulnerability exists in the .NET Framework that could allow an attacker to access information at rest that should be defended by cryptographic mechanisms. This update fixes the way the framework handles the key and therefore defends the data. To learn more about this vulnerability, see Microsoft Security Bulletin MS16-155.

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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.

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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 Windows Update: FAQ.

Method 2: Microsoft Update Catalog

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

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Update deployment information

For deployment information about this update, see Microsoft Knowledge Base Article 3205640 .

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

Windows8-RT-KB3205377-x64.msu

51F30DF59B8BD343C795E01C18E6F4360B72D15E

9F2FF5CB0626B221E21910EB2AE01194B90596EA403732FDA175916B2B0EC80B

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.

File name	File version	File size	Date	Time
msvcp120_clr0400.dll	12.0.52512.0	690,016	10-Aug-2016	05:03
msvcr120_clr0400.dll	12.0.52512.0	993,632	10-Aug-2016	05:03
system.data.dll	4.6.1636.0	3,454,640	30-Nov-2016	06:43
msvcp120_clr0400.dll	12.0.52512.0	484,552	10-Aug-2016	05:03
msvcr120_clr0400.dll	12.0.52512.0	987,848	10-Aug-2016	05:03
system.data.dll	4.6.1636.0	3,389,616	30-Nov-2016	06:49

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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