Vulnerability in Graphics Rendering Engine Could Allow Remote Code Execution (912919)
 

Who should read this document: Customers who use Microsoft Windows

Impact of Vulnerability: Remote Code Execution
Maximum Severity Rating: Critical
Recommendation: Customers should apply the update immediately.
Security Update Replacement: None
Tested Software and Security Update Download Locations:

Affected Software:
• Microsoft Windows 2000 Service Pack 4 – Download the update
• Microsoft Windows XP Service Pack 1 and Microsoft Windows XP Service Pack 2 – Download the update
• Microsoft Windows XP Professional x64 Edition – Download the update
• Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1 – Download the update
• Microsoft Windows Server 2003 for Itanium-based Systems and Microsoft Windows Server 2003 with SP1 for Itanium-based Systems – Download the update
• Microsoft Windows Server 2003 x64 Edition – Download the update
• Microsoft Windows 98, Microsoft Windows 98 Second Edition (SE), and Microsoft Windows Millennium Edition (ME) – Review the FAQ section of this bulletin for details about these operating systems.

http://www.microsoft.com/technet/sec.../ms06-001.mspx

if this is about the wmf bug, then they've forgotten to add windows 95, 3.11 and 3.1, since evey M$ OS since win3 is vulnerable

those windows versions are no longer supported :)
same goes for Windows NT which I don't see in the list either