Microsoft today pushed Windows 10 Mobile Build 15254.547 (10.0.15254.547) as the cumulative update KB4483203 to those on Fall Creators update aka Windows 10 Mobile Version 1709. The changelog for the Build 15254.547 mentions only fixes and security updates. Read the full changelog below.

You can check the update availability by going to Settings–>Update & Security–>Windows update–>Check for updates.

Windows 10 mobile Build 15254.547 Changelog:

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

  • This build includes all the improvements from KB4480973.

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

For more information about the resolved security vulnerabilities, see the Security Update Guide.

KB4480973 improvement & 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 Authentication, Windows MSXML, Windows Kernel, Windows Storage and Filesystems, Windows Virtualization, Windows Linux, and 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.

For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.