FIX: Access Violation occurs due to corruption of compressed Showplan.xml file in SQL Server 2017

Applies to: SQL Server 2017 Developer WindowsSQL Server 2017 Enterprise WindowsSQL Server 2017 Enterprise Core Windows


Assume that you query the Query Store data in SQL Server 2017. When querying the Query Store data, you may receive an Access violation (AV) error. This error occurs due to the corruption of the compressed Showplan.xml file.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. 


This issue is fixed in the following cumulative update for SQL Server:

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. Check out the latest cumulative updates for SQL Server:


Learn about the terminology that Microsoft uses to describe software updates.