Microsoft has pushed new cumulative update builds Windows 10 Build 15063.483 (KB4025342) and Build 14393.1480 (KB4025339) for version 1703 and 1607 respectively. You can read full changelog for these two builds by clicking here.
Microsoft has also provided direct download links for both Windows 10 Build 15063.483 (KB4025342) and Build 14393.1480 (KB4025339). In case you want, you can follow the links provided below to download stand-alone updates to install them manually.
Windows 10 Build 15063.483 :
Windows 10 Build 14393.1480: