Please note that the Internet Explorer MS12-037 update is rated as “PATCH NOW” by the ISC and is being actively exploited in the wild.
Microsoft Security Updates – June 2012
http://technet.microsoft.com/en-us/security/bulletin/ms12-jun
Microsoft Security Updates – June 2012
(excellent analysis by ISC)
https://isc.sans.edu/diary.html?storyid=13453