Critical Patch Updates are the primary means of releasing security fixes for Oracle products to customers with valid support contracts. They are released on the Tuesday closest to the 17th day of January, April, July and October.
Microsoft Security Bulletin Advance Notification for July 2012. Microsoft has posted 3 Critical Bulletins and 6 Important Bulletins. Bulletins with the Maximum Severity Rating and Vulnerability Impact of "Critical" may allow remote execution of code. Microsoft is hosting a webcast to address customer questions on these bulletins on July 11, 2012, at 11:00 AM Pacific Time (US & Canada).