"Of the eight most serious fixes, two affect Internet Explorer, one for JScript within Internet Explorer, one in Windows Media Player, two in Windows, one in Word, and another in PowerPoint.
The patch for Word fixes a highly-publicized zero-day exploit that has already been used in several cyber attacks. The vulnerability can be exploited after a user opens a specially crafted Word file with a malformed object pointer, allowing for code execution."
Update Link: http://update.microsoft.com
Article Link: http://www.betanews.com/article/8_Critical_Flaws_Patched_by_Microsoft/1150229802