$ 0 0 Microsoft released CU5 for SQL Server 2012 SP1 and CU12 for SQL Server 2008 SP3 yesterday. You should be running on 2012 SP1 to be able to Install CU5 and on 2008SP3 to install CU12 respectively. Get 2012 SP1 CU5 here and 2008 SP3 CU12 here.