MS16-019: Description of the security update for the .NET Framework 4.6 and 4.6.1 in Windows Server 2012: February 9, 2016

This update resolves a vulnerability in the Microsoft .NET Framework. The vulnerability could allow denial of service if an attacker inserts specially crafted XSLT into a client-side XML web part that causes recursive calls on the server. To learn more about this vulnerability, see Microsoft Security Bulletin MS16-019.

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 turn on automatic updating, see Stay up-to-date for more secure web browsing.

Method 2: Microsoft Download Center

You can obtain the stand-alone update package through the Microsoft Download Center. To install this update, follow the installation instructions on the download page.

DownloadDownload security update 3122658

Update deployment information

For deployment information about this update, see Microsoft Knowledge Base article 3137893.

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 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 x64-based versions of systems

File nameFile versionFile sizeDateTime,82403-Dec-201503:40

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 4.6.1 when used with:
    • Windows Server 2012
  • Microsoft .NET Framework 4.6 when used with:
    • Windows Server 2012

Article ID: 3122658 - Last Review: 02/10/2016 01:57:00 - Revision: 2.0

Microsoft .NET Framework 4.6.1, Microsoft .NET Framework 4.6

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