March Security Updates - Improvements for Office
The 2 links below highlight important Office security updates. Keeping Windows, Office, and IE up-to-date will help protect you from most exploits currently circulating.
Be sure to keep all non-MS products updated as well 
March Security Updates - Improvements for Office
https://www.microsoft.com/technet/security/bulletin/ms08-mar.mspx
http://isc.sans.org/diary.html?storyid=4124