http://www.microsoft.com/technet/se...n/ms04-015.mspx

Impact of Vulnerability: Remote Code Execution
Maximum Severity Rating: Important

Affected Software:
• Microsoft Windows XP and Microsoft Windows XP Service Pack 1
• Microsoft Windows XP 64-Bit Edition Service Pack 1
• Microsoft Windows XP 64-Bit Edition Version 2003
• Microsoft Windows Server™ 2003
• Microsoft Windows Server 2003 64-Bit Edition