This update includes the following improvements:
Further hardening of infrastructure files that are used by WU/MU client
A more secure communication channel between the WU/MU client and service
How to obtain this update
This update will be rolled out gradually. It will be automatically installed if Automatic Updates is turned on and is either set to automatically install updates or notify to install updates.
This update is unavailable currently for deployment through Windows Server Update Services (WSUS) or as a stand-alone package. When it becomes available, the information will be made available in this article.