There are two Windows Media Player security update patches released on Windows Update for Tuesday, February 14. I assume they relate to this vulnerability you posted on.
Microsoft Security Bulletin MS06-005
Vulnerability in Windows Media Player Could Allow Remote Code Execution (911565)
http://www.microsoft.com/technet/sec.../MS06-005.mspx
Microsoft Security Bulletin MS06-006
Vulnerability in Windows Media Player Plug-in with Non-Microsoft Internet Browsers Could Allow Remote Code Execution (911564)
http://www.microsoft.com/technet/sec.../MS06-006.mspx