Technical Information

Brief overview of the risk:
This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if a user applies a specially crafted Windows theme on their system.
Detailed Information on the risk:

A remote code execution vulnerability exists in the way that affected editions of Microsoft Windows handles certain specially crafted Windows theme files. This vulnerability could allow an attacker to execute arbitrary code if the attacker convinces a user to apply a specially crafted Windows theme.

Further information on this exploit is available at : MS13-071