For Windows 10 Mobile fall creators, the version number rose to Build 15254.597 after installing the cumulative update released today. This update does not bring any new features, but fixes several security issues that exist in Windows 10 Mobile.
Windows 10 Mobile Build 15254.597 Update Log
Fixes an issue where events based on Windows Defender Application Code Code Integrity can’t be read
Provides protection against Intel Processor ® Check Machine Error vulnerability (CVE-2018-12207). Registry settings in the Guidance KB support documentation are used. (The registry setting is disabled by default)
Provides protection against Intel ® Transaction Synchronous Extension (Intel®TSX) transaction asynchronous abort vulnerability (CVE-2019-11135). Use the registry settings described in the Windows Client article. (By default, the Windows client operating system version enables these registry settings.) )
For Microsoft Scripting Engine, Internet Explorer, Windows App Platform and Frameworks, Microsoft Graphic Components, Wind ows Input and Comos, Microsoft Edge, Windows Fundamentals, Windows Cryptography, Windows Virtualization, Windows Lin Security updates for ux, Windows Kernel, Windows Datacenter Networking, Windows Peripherals and Microsoft JET Database Engine.
Users can install updates by going to all settings, updates, and security updates.