Assume that you use Query Store in SQL Server 2017 on a server that has more than 256 logical cores. When the Query Store is collecting runtime statistics, an access violation may occur. Eventually, SQL Server may fall into a non-yielding scheduler scenario and freeze.
This issue is fixed in the following cumulative update 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:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Learn about the terminologythat Microsoft uses to describe software updates.