Microsoft released its pre-announcement for the upcoming patch Tuesday. The summary indicates 11 bulletins total, 5 are critical all with remote code execution and 6 Important with a mix of remote code execution, security feature bypass and elevation of privileges. The announcement is available here.

[1] http://technet.microsoft.com/en-us/security/bulletin/ms13-dec

-----------

Guy Bruneau IPSS Inc. gbruneau at isc dot sans dot edu