Directly from the SQL Server Release Service blog, here the latest updates for SQL Server 2012, 2014 and 2016:
Cumulative Update #6 for SQL Server 2012 SP3
Cumulative Update #15 for SQL Server 2012 SP2
Cumulative Update #3 for SQL Server 2014 SP2
Cumulative Update #10 for SQL Server 2014 SP1
Cumulative Update #3 for SQL Server 2016 RTM
and then, SQL Server 2016 Service Pack 1!
Stay Tuned! 🙂