The Cumulative update package 2 for SQL Server 2012 (Build 11.0.2325.0) is available:

Cumulative update package 2 for SQL Server 2012 is available

And here you can get the whole information of builds that were released after SQL Server 2012 was released:

http://support.microsoft.com/kb/2692828/

I wish you a nice day,
tosc