SQL 2008 R2 SP1 CU 10 clarification

Hi

We are having SQL server 2008 R2 SQL instance in Windows 2008 R2 cloud server. Recently we had upadated SQL server 2008 R2 SP2 in this server. But now a days we are facing this below issue.

generated fatal exception c0000005 EXCEPTION_ACCESS_VIOLATION. SQL Server is terminating this process." , in SQL Server 2008 R2

Msdn suggested that, we can resove this issue by updating SQL Server 2008 R2 SP1 CU10.

Is it right way to update SP1 CU10 on top of SP2 ? Since SP2 is not covered the CU10 !

Please check and suggest.