Next scheduled release: February 12th, 2013
The heads up for this month is; On Tuesday 12th February (US time; Wednesday 13th February AU time) Microsoft expect to release twelve (12) new security bulletins, addressing 57 unique vulnerabilities. Five (5) bulletins carry a maximum aggregate rating of Critical, and seven (7) are rated Important.
We’re kicking off the February 2013 Security Bulletin Release with Advance Notification of 12 bulletins for release Tuesday, February 12. This release brings five Critical and seven Important-class bulletins, which address 57 unique vulnerabilities. The Critical-rated bulletins address issues in Microsoft Windows, Internet Explorer and Exchange Software. The Important-rated bulletins address issues in Microsoft Windows, Office, .NET Framework, and Microsoft Server Software. 
 Advance Notification Service for the February 2013 Security Bulletin Release (2013-Feb-07) [MSRC]
 Microsoft Security Bulletin Summary for February 2013 (2013-Feb-07) [MS Technet]