Assume that you connect to a readable secondary replica of a SQL Server 2014 AlwaysOn Availability Group. When you execute a specific query on a specific table that belongs to the secondary replica, an Access Violation occurs.
The fix for this issue is included in the following cumulative update for SQL Server:
Cumulative Update 4 for SQL Server 2014 SP2
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:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Learn about the terminology Microsoft uses to describe software updates.