Also in http://www.securitytracker.com/alerts/2004/Mar/1009546.html
Date Reported: March 18, 2004
Vendor: Microsoft
Description: A locally-exploitable vulnerability that allows unprivileged code to subvert all operating system or third-party security measures, providing the attacker with privileges greater than SYSTEM.
Severity: Medium
Remote Code Execution: No
Software Affected: This vulnerability affects core services in the operating system.
Operating Systems Affected:
Windows NT 4.0 (all versions)
Windows 2000 (all versions)
Windows XP (all versions)
Windows Server 2003 (all versions)
Estimated Number of Vulnerable Machines: 300 Million
Status: Initial report stage.
http://www.eeye.com/html/Research/Upcoming/20040318.html

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic