Microsoft .NET Framework Remote Code Execution Vulnerability (2671605)

This host is missing a critical security update according to Microsoft Bulletin MS12-025.
Successful exploitation could allow an attacker to execute arbitrary code with the privileges of the currently logged-in user. Failed attacks will cause denial-of-service conditions. Impact Level: System/Application
Run Windows Update and update the listed hotfixes or download and update mentioned hotfixes in the advisory from the below link,
The flaw is due to an error within the .NET CRL (Common Language Runtime) when handling certain parameters passed to a function and can be exploited via a specially crafted web page.
Microsoft .NET Framework 4.0 Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 2.0 Service Pack 2 Microsoft .NET Framework 1.1 Service Pack 1