Microsoft is pushing out a Windows security patch, marked as **critical** later today. Microsoft hasn’t sent out an emergency patch since April 2007.

Microsoft hasn’t offered many details about the patch, other than to say it should be applied immediately to Windows 2000, Windows XP, and Windows Server 2003 systems.

[Read](http://blogs.zdnet.com/microsoft/?p=1658&tag=nl.e589 “Read the Article”) (Mary-Jo Foley)

Here’s a link to the [official bulletin from Microsoft](http://www.microsoft.com/protect/computer/updates/bulletins/200810_oob.mspx “Microsoft Bulletin for 10-23-2008”)