Microsoft recently pushed cumulative updates KB4480978 (OS Build 16299.904), KB4480966 (OS Build 17134.523) and KB4480116 (OS Build 17763.253) to Windows 10 version 1709 (Fall Creators update), version 1803 (April 2018 update) and version 1809 (October 2108 update). These updates bring only fixes and improvements for their Windows 10 versions.
You can read more about these updates here. Provided below are the direct download links for these updates in case you need to do a manual install.
KB4480978 (OS Build 16299.904)
KB4480966 (OS Build 17134.523)