Microsoft released Cumulative Update #3 for SQL Server 2008 R2 RTM and Cumulative Update #11 for SQL Server 2005 SP3. At the same time, customers relying on the predecessor of SQL Server 2008 R2 have been able to access and deploy CU #9 for SQL Server 2008 SP1 for approximately a month now. "Keep your system up to date with most recent CU package for SQL Server 2008 R2 RTM." "This package contains all SQL Server 2008 R2 hotfixes that've been released since the initial release of SQL Server 2008 R2 RTM," revealed.
The KB article associated with CU pac 3 for SQL Server 2008 R2 is now also live and available to customers using the latest iteration of Microsoft's data platform. KB2261464
The KB article for CU package 11 for SQL Server 2005 Service Pack 3 can be accessed via KB2258854.