* MS09-051 - Critical

- http://www.microsoft.com/technet/security/bulletin/ms09-051.mspx
- Reason for Revision: V2.0 (November 10, 2009): Bulletin revised to communicate the rerelease of the update for Audio Compression Manager on Microsoft Windows 2000 Service Pack 4 to fix a detection issue. This is a detection change only; there were no changes to the binaries. Customers who have successfully updated their systems do not need to reinstall this update. Also corrected the registry key verification for DirectShow WMA Voice Codec on Windows Server 2003.
- Originally posted: October 13, 2009
- Updated: November 10, 2009
- Bulletin Severity Rating: Critical
- Version: 2.0

* MS09-045 - Critical

- http://www.microsoft.com/technet/security/bulletin/ms09-045.mspx
- Reason for Revision: V2.0 (November 10, 2009): Added JScript 5.7 on Microsoft Windows 2000 Service Pack 4 (KB975542) to the Affected Software table and the Security Update deployment section.
- Originally posted: September 8, 2009
- Updated: November 10, 2009
- Bulletin Severity Rating: Critical
- Version: 2.0