Blue Coat Systems WinProxy Vulnerability, Patch and remote exploit announced.  Exploit code has been published and according to the iDefense Advisory "Exploitation .... is trivial" and "allows for the remote execution of arbitrary code by attackers."

http://www.idefense.com/intelligence/vulnerabilities/display.php?id=364

"iDefense has confirmed this vulnerability in WinProxy 6.0. All previous
versions are suspected to be vulnerable.".

Patch - WinProxy 6.1a
http://www.winproxy.com/

Common Vulnerabilities and Exposures (CVE) project has assigned the
name CAN-2005-4085
http://cve.mitre.org/