Next scheduled release: May 13th, 2014
The heads up for this month is; On Tuesday 13th May (US time; Wednesday 14th May AU time).
Microsoft expect to release eight (8) new security bulletins. Two (2) rated Critical and six (6) rated Important.
❝ Today we provide Advance Notification Service (ANS) for the release of eight bulletins, two rated Critical and six rated Important in severity. These updates will address vulnerabilities for .NET Framework, Office, Internet Explorer, and Windows.
As we do every month, we’ve scheduled the security bulletin release for the second Tuesday of the month, May 13, 2014, at approximately 10:00 a.m. PDT. Revisit this blog then for deployment guidance and further analysis together with a brief video overview of the month’s updates. ❞ 
 Advance Notification Service for the May 2014 Security Bulletin Release (2014-May-08) [MSRC]
 Microsoft Security Bulletin Advance Notification for May 2014 (2104-May-08) [MS]