New, Revised, and Rereleased Updates for Microsoft Products Other Than Microsoft Windows
This page lists all new, revised, and rereleased updates for non-Windows products using AU (for example, Microsoft Office). Current Windows content can be found at http://support.microsoft.com/kb/894199. Information on the latest security updates available via AU can be found at http://www.microsoft.com/security.
Definition updates for Forefront and Exchange are released multiple times per day. Definition updates for Defender are released twice per week.