On Tuesday, October 10th, Microsoft released updates to address vulnerabilities in Microsoft Windows and Office as part of the Microsoft Security Bulletin Summary for October 2006.

The advisory includes six critical updates and several moderate, important, and low updates.
The updates affect Windows 2000, Windows XP, Windows Server 2003, and many Office and Works components.

For more information about the patch, check out the link above or the TechNet Webcast.