Technical Information

Brief overview of the risk:
This security update resolves a privately reported vulnerability in Microsoft Windows GDI+. The vulnerability could allow remote code execution if a user viewed a specially crafted image file using affected software or browsed a Web site that contains specially crafted content.
Detailed Information on the risk:

A remote code execution vulnerability exists in the way that GDI+ handles integer calculations. The vulnerability could allow remote code execution if a user opens a specially crafted EMF image file. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

Further information on this exploit is available at : MS11-029