Severity Rating: Critical
Revision Note: V1.2 (April 7, 2016): Corrected download links for Microsoft .NET Framework 3.5.1 on Windows 7 and Windows 2008 R2. This is an informational change only. Customers who have already successfully updated their systems do not need to take any action.
Summary: This security update resolves two privately reported vulnerabilities and one publicly disclosed vulnerability in Microsoft .NET Framework. The most severe of the vulnerabilities could allow remote code execution if a user visits a website containing a specially crafted OpenType font (OTF) file using a browser capable of instantiating XBAP applications.