SQL Server 2012 is now supported by WSUS in Server 2012

SQL Server 2012 is now supported by WSUS in Server 2012

• Windows Internal Database (WID)
• Microsoft SQL Server 2008 R2 SP1 Standard Edition
• Microsoft SQL Server 2008 R2 SP1 Enterprise Edition
• Microsoft SQL Server 2008 R2 SP1 Express Edition
• Microsoft SQL Server 20012 Standard Edition
• Microsoft SQL Server 20012 Enterprise Edition
• Microsoft SQL Server 20012 Express Edition

More information can be found here: http://technet.microsoft.com/en-us/library/hh852344.aspx