Technical Information

Brief overview of the risk:
This security update resolves a privately reported vulnerability in Microsoft .NET Framework and Microsoft Silverlight. The vulnerability could allow remote code execution on a client system if a user views a specially crafted Web page using a Web browser that can run XAML Browser Applications (XBAPs) or Silverlight applications.
Detailed Information on the risk:

A remote code execution vulnerability exists in the Microsoft .NET Framework that can allow a specially crafted Microsoft .NET application to access memory in an unsafe manner. An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the logged-on user.

Further information on this exploit is available at : MS11-039