Technical Information

Brief overview of the risk:
This security update resolves a privately reported vulnerability in Windows Media Player. The vulnerability could allow remote code execution if Windows Media Player opened specially crafted media content hosted on a malicious Web site.
Detailed Information on the risk:

A remote code execution vulnerability exists in the Windows Media Player ActiveX control. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs or view, change, or delete data with full user rights.

Further information on this exploit is available at : MS10-027