Microsoft released seven (7) bulletins. Four bulletins are identified as Critical with three bulletins rated Important.

The critical bulletins address 20 vulnerabilities in Microsoft Windows, Office, Internet Explorer, Server Tools, and Silverlight. The bulletins rated Important address issues in Microsoft Windows and Office.

With today's Windows Update, Internet Explorer 10 in Windows 8 and Windows RT is being updated to enable Flash content to run by default. On Windows 8, all Flash content continues to be enabled for IE on the desktop. Additional information is available in the IE Blog post, Flash in Windows 8.

Additional details here.