Next scheduled release: June 12th, 2012
The heads up for this month is; On Tuesday 12th June (US time; Wednesday 13th June AU time) Microsoft expect to release seven (7) bulletins addressing 25 vulnerabilities, of which three (3) have a maximum rating of Critical and four (4) have a maximum rating of Important.
Today we’re releasing our advance notification for the June security bulletin release, which is scheduled for Tuesday, June 12. This month’s release includes 7 bulletins addressing 25 vulnerabilities in Microsoft Windows, Internet Explorer, Visual Basic for Applications, Dynamics AX, and the .NET Framework. All seven bulletins will be released on Tuesday at approximately 10 a.m. PDT. 
 Advance Notification Service for June 2012 Security Bulletin Release (2012-Jun-07) [MSRC]
 Microsoft Security Bulletin Advance Notification for June 2012 (2012-Jun-07) [MS]