Microsoft today pushed Windows 10 Build 17134.523 (10.0.17134.523) as cumulative update KB4480966 to those on the latest April 2018 update or on Windows 10 version 1803.

The changelog for the Build 17134.523 mentions many more fixes, improvements, and security updates. The latest update addresses an issue that affects PowerShell remote endpoints. By default, PowerShell remoting only works with administrator accounts but can be configured to work with non-administrator accounts.

Windows 10 Build 17134.523 Changelog:

Improvements and fixes


This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

  • Addresses a security vulnerability in session isolation that affects PowerShell remote endpoints. By default, PowerShell remoting only works with administrator accounts, but can be configured to work with non-administrator accounts. Starting with this release, you cannot configure PowerShell remote endpoints to work with non-administrator accounts. When attempting to use a non-administrator account, the following error will appear:

    “New-PSSession: [computerName] Connecting to remote server localhost failed with the following error message: The WSMan service could not launch a host process to process the given request. Make sure the WSMan provider host server and proxy are properly registered. For more information, see the about_Remote_Troubleshooting Help topic.”

  • Security updates to Internet Explorer, Microsoft Edge, Windows App Platform and Frameworks, the Microsoft Scripting Engine, Windows Kernel, Windows Storage and Filesystems, Windows Virtualization, Windows Linux, Windows MSXML, and the Microsoft JET Database Engine .

If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.