There is an emergency patch released today from Microsoft. HERMES will be patched today, I will reboot at 4:00pm. Please be prepared.
IDSG recommends all Windows host apply this patch ASAP. Patches are available for Windows 2000, Server 2000, XP, Server 2003, Vista and Longhorn. x64 bit versions included.
Details, security bulletin and patch are available at: http://www.microsoft.com/technet/security/Bulletin/MS07-017.mspx
The patch is also available via Microsoft Update.