Microsoft has released a tool to analyze the vulnerability surface of your platform before or after a product installation.

This tool is now in beta.

http://www.microsoft.com/downloads/en/details.aspx?FamilyID=e068c224-9d6d-4bf4-aab8-f7352a5e7d45&displaylang=en

It’s compatible with Windows Vista, Windows 7 and Windows Server 2008 (R1 and R2) in x32 bits and x64 bits.​