Microsoft has released one security bulletin for this month:
MS09-017 - Vulnerabilities in Microsoft Office PowerPoint Could Allow Remote Code Execution (967340)
The bulletin summary is in http://www.microsoft.com/technet/security/bulletin/ms09-may.mspx
To view other information from Microsoft Security Response Center regarding the above, please go to:
Cameras that make great holiday gifts
Let them start the new year with a step up in photo and video quality from a phone.