Directly from the Microsoft Release Service blog, here is the list of latest updates for SQL Server 2012 SP1/SP2, and SQL Server 2014 RTM:
Cumulative Updates #3 for SQL Server 2012 SP2
Cumulative Updates #13 for SQL Server 2012 SP1
Cumulative Updates #4 for SQL Server 2014 RTM
Stay Tuned! 🙂