Symptoms
When you query the sys.dm_xe_objects dynamic management object in Microsoft SQL Server 2014 or Microsoft SQL Server 2012, the Description column in the query result might contain incorrect values.
Note This problem affects only your ability to search for actions or events based on the Decription column. It does not affect your ability to use those actions or events to collect diagnostic information from the SQL server.
Resolution
Service pack information
To resolve this problem, obtain Service Pack 3 for SQL Server 2012.
For more information about SQL Server 2012 Service Pack 3 (SP3), see bugs that are fixed in SQL Server 2012 Service Pack 3 .
Cumulative update information
This problem was first fixed in the following cumulative updates for SQL Server:
Cumulative Update 7 for SQL Server 2012 SP2
Cumulative Update 1 for SQL Server 2014 Service Pack 1
Cumulative Update 8 for SQL Server 2014
About cumulative updates for SQL Server
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. See the latest cumulative updates for SQL Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology Microsoft uses to describe software updates.