The 1st cumulative update release for SQL Server 2012 Service Pack 1 is now available for download at the Microsoft Support site.
SQL Server 2012 SP1 CU1 contains fixes released in SQL Server 2012 RTM CU 3 & 4. For those who are upgrading to Service Pack 1 from SQL Server 2012 RTM CU3 or CU4 should consider applying SQL Server 2012 SP1 CU1 to ensure fixes resident on the system are available post upgrade to Service Pack 1.
For CU1 of SQL Server 2012 SP1
Obtain SQL Server 2012 SP1
· Microsoft® SQL Server® 2012 SP1
· Microsoft® SQL Server® 2012 SP1 Express
· Microsoft® SQL Server® 2012 SP1 Feature Pack