http://www.microsoft.com/technet/security/bulletin/MS03-041.asp
Vulnerability in Authenticode Verification Could Allow Remote Code Execution
(823182)
Issued: October 15, 2003
Version Number: 1.0
Impact of Vulnerability: Remote Code Execution
Maximum Severity Rating: Critical
Recommendation: Customers should apply the patch immediately
Patch Replacement: None
Caveats: None