Consider the following scenario:
You have Microsoft SQL Server 2008 R2 or SQL Server 2012 installed on a computer.
You mark one or more computed columns as "persisted."
You run a DBCC CHECKDB against the table with these columns.
In this scenario, an access violation occurs.
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.