Symptoms
Assume that you create a user in an earlier version of SQL Server Master Data Services (MDS). You assign some functional area permissions to the user. After you upgrade to SQL Server 2016 MDS, the functional area permissions settings are lost and the user is granted with all the functional area permissions expected for the Super User permissions.
Resolution
The fix for this issue is included 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:
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.