Out-of-band patch marked Critical
| Maximum Severity Rating | Critical | | Impact of Vulnerability | Remote Code Execution | | Detection | Microsoft Baseline Security Analyzer can detect whether your computer system requires this update. The update requires a restart. | | Affected Software | Microsoft Windows. For more information, see the Affected Software section. | |
http://www.microsoft.com/technet/security/bulletin/ms08-oct.mspx