Cumulative Update #13 for SQL Server 2008 Service Pack 1
Keep your system up to date with the most recent cumulative update package for SQL Server 2008 SP1. This package contains all of the SQL Server 2008 hotfixes that have been released since the initial release of SQL Server 2008 SP1.
CU#13 KB Article: https://support.microsoft.com/kb/2497673
Understanding Incremental Servicing Model for SQL Server
SQL Server Support Information: https://support.microsoft.com/ph/2855
Previous CU KB Articles:
CU#12 KB Article: https://support.microsoft.com/kb/2467236
CU#11 KB Article: https://support.microsoft.com/kb/2413738
CU#10 KB Article: https://support.microsoft.com/kb/2279604
CU#9 KB Article: https://support.microsoft.com/kb/2083921
CU#8 KB Article: https://support.microsoft.com/kb/981702
CU#7 KB Article: https://support.microsoft.com/kb/979065
CU#6 KB Article: https://support.microsoft.com/kb/977443
CU#5 KB Article: https://support.microsoft.com/kb/975977
CU#4 KB Article: https://support.microsoft.com/kb/973602
CU#3 KB Article: https://support.microsoft.com/kb/971491
CU#2 KB Article: https://support.microsoft.com/kb/970315
CU#1 KB Article: https://support.microsoft.com/kb/969099
Abhishek Sinha
Program Manager
SQL Server Sustained Engineering