Directly from the SQL Server Release Service blog, here the latest updates for SQL Server 2012 SP2 and SP3:
Cumulative Update #1 for SQL Server 2012 SP3
Cumulative Update #10 for SQL Server 2012 SP2
Additionally, Microsoft announced the release of TLS (Transport Layer Security) 1.2 support for SQL Server 2008, 2008 R2, 2012 and 2014. Read more here.
Stay Tuned! 🙂