MS16-039: Description of the security update for the .NET Framework 3.5 in Windows Server 2012: April 12, 2016


This security update resolves vulnerabilities in the Microsoft .NET Framework. The vulnerabilities could allow remote code execution if a user opens a specially crafted document or visits a webpage that contains specially crafted embedded fonts. To learn more about this vulnerability, see Microsoft Security Bulletin MS16-039.

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.

Download Download security update 3142043

Update deployment information

For deployment information about this update, see Microsoft Knowledge Base article 3148522 .

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 replaces previously released update 3135989 .

File information
How to obtain help and support for this security update

Applies to

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

Article ID: 3142043 - Last Review: Apr 12, 2016 - Revision: 1

Microsoft .NET Framework 3.5