Microsoft Windows Help and Support Center Vulnerability
US-CERT is aware of a vulnerability affecting the Mircosoft Windows Help and Support Center. This vulnerability is due to improper sanitization of hcp:// URIs. Exploitation of this vulnerability may allow a remote, unauthenticated attacker to execute arbitrary commands.
US-CERT encourages users and administrators to review Vulnerability Note VU#578319 and implement the workarounds to help mitigate the risks and reduce attack vectors.
US-CERT will provide additional information as it becomes available.