Symptoms
When you use the stored procedure sp_xml_preparedocument to open XML documents in Microsoft SQL Server, an access violation occurs. In addition, you may experience an increase in OPENXML sessions waiting on the "PREEMPTIVE_OS_LIBRARYOPS" wait type.
Resolution
This issue is fixed in the following cumulative updates for SQL Server:
Cumulative Update 1 for SQL Server 2017
Cumulative Update 9 for SQL Server 2016 RTM
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:
Latest cumulative update for SQL Server 2017
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 terminologythat Microsoft uses to describe software updates.