Next scheduled release: March 12th, 2013
The heads up for this month is; On Tuesday 12th March (US time; Wednesday 13th March AU time) Microsoft expect to release seven (7) new security bulletins. Four (4) bulletins carry a maximum aggregate rating of Critical, and three (3) are rated Important.
Today we’re providing advance notification for the release of seven bulletins, four Critical and three Important, for March 2013. The Critical bulletins address vulnerabilities in Microsoft Silverlight, Internet Explorer, Office and Microsoft Server Software. The three Important-rated bulletins will address issues in Microsoft Windows and Office. 
 Advance Notification Service for March 2013 Security Bulletin Release (2013-Mar-07) [MSRC]