Figure 1 – picture from msdynamics.es
Yes! We have more cumulative updates for Microsoft Dynamics NAV 2015. This update was released on September 2, 2016 as announced in the NAV team blog at https://blogs.msdn.microsoft.com/nav/2016/09/02/cumulative-update-23-for-microsoft-dynamics-nav-2015-has-been-released/.
You can find this update at KB 3188239 – Cumulative Update 23 for Microsoft Dynamics NAV 2015 (Build 46765).
There is a very important note on the blog. It says:
Note: You must convert the database if you are upgrading to this cumulative update from a cumulative update earlier than Cumulative Update 9 (build 41779). For more information, see Converting a Database in Help for Microsoft Dynamics NAV.
Good luck with your update!