Applies ToWindows 10, version 1709, all editions Windows 10 Mobile v1709 Windows 10 Mobile Enterprise, version 1709

Release Date:

12/11/2019

Version:

OS Build 15254.597

Windows 10 Mobile, version 1709 will reach end of service on December 10, 2019. Devices running Windows 10 Mobile and Windows 10 Mobile Enterprise will no longer receive monthly security and quality updates that contain protection from the latest security threats. 

For more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article.

Improvements and fixes

This security update includes quality improvements. Key changes include:

  • This build includes all the improvements from KB4525241.

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.

Known issues in this update

Microsoft is not currently aware of any issues with this update.

How to get this update

This update will be downloaded and installed automatically from Windows Update.

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