Symptoms
Assume that you use FileTable feature in SQL Server on the machine that uses Windows Defender Antivirus. An access violation (AV) occurs and you see keywords EXCEPTION_ACCESS_VIOLATION and FFtFileObject::ProcessSetInfo in the SQL Server error log. This issue can occur after Windows Defender updates on Windows 10 Version 1607 or a later version, Windows Server 2016, and Windows Server 2019.
Resolution
This issue is fixed in the following 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:
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 that Microsoft uses to describe software updates.