Yesterday the Exchange team released security bulletin MS13-105. The updates are being made available for the following versions of Exchange Server:
- Exchange Server 2007 SP3
- Exchange Server 2010 SP2
- Exchange Server 2010 SP3
- Exchange Server 2013 CU2
- Exchange Server 2013 CU3
Customers who are not running one of these versions will need to upgrade to an appropriate version in order to receive the update.
Security bulletin MS13-105 contains details about the issues resolved, including download links.
For more information, please check this post !