Microsoft is now testing new cumulative update build 14393.593 for Windows 10 1607 Anniversary Update users. The new cumulative update build 14393.593 and mobile build 10.0.14393.593 were compiled on December 10, 2016.
Windows 10 cumulative update kb3206632 build 14393.576 for PC and mobile build 10.0.14393.576 is now available Windows 10 Anniversary Update users. The company also released cumulative update kb3198586 PC and Mobile build 10586.713 for Threshold 2 users. If you are facing download and installation issues with cumulative update, check here for fixes.