Hi,
Please find more information about Cumulative Update for Microsoft Dynamics NAV released in January 2017 below.
Here you can find the download links.
Cumulative Update 2 for Microsoft Dynamics NAV 2017 has been released (Build 14767)
Cumulative Update 15 for Microsoft Dynamics NAV 2016 has been released (Build 47671)
Cumulative Update 27 for Microsoft Dynamics NAV 2015 has been released (Build 47665)
Cumulative Update 39 for Microsoft Dynamics NAV 2013 R2 has been released (Build 47662)
Cumulative Update 46 for Microsoft Dynamics NAV 2013 has been released (Build 47667)
To download Cumulative Update requires valid partnersource/customersource login.