https://www.bleepingcomputer.com/news/microsoft/microsoft-releases-windows-7-and-81-cumulative-updates-kb4480970-and-kb4480963/

Microsoft has just released new cumulative updates for supported Windows 10 versions with security fixes and improvements. The January 2019 update is also available for users with Windows 7 or Windows 8.1 device.

The new monthly rollups for Windows 7 and Windows 8.1 comes with typical security fixes. In the changelog, Microsoft notes that the company has addressed a security vulnerability in session isolation that affects PowerShell remote endpoints. Microsoft also says that you can no longer configure PowerShell remote endpoints to work with non-administrator accounts.