Coming less than two weeks before Christmas, the bulletins will be concerned with fixes for 20 vulnerabilities in Windows, Office, Internet Explorer, Microsoft Publisher, and Windows Media Player.
Three of the bulletins - all affecting Windows and involving the possibility of remote code execution - will be rated critical. The remainder are all rated important and involve with remote code execution or privilege escalation.
All currently supported versions of Windows are affected by at least one of the critical updates. All of the Office-related updates are rated important, and one of them concerns Microsoft Office 2011 for Mac as well as the Windows versions of Microsoft's suite.
The bulletins are scheduled for release on December 13 at around 10am US PST (5am on December 14, AEDST).