KB4540673 for Windows 10 1903 and 1909

Today’s update will bump Windows 10 version 1903 to build 18362.719 and version 1909 to build 18363.719. Here’s a look at the highlights of today’s new cumulative update:

Updates to improve security when using Microsoft Edge and Internet Explorer.Updates for verifying user names and passwords.Updates to improve security when using external devices (such as game controllers, printers, and web cameras).

Here is the full list of fixes and improvements:

Addresses an issue that prevents certain users from upgrading the OS because of corrupted third-party assemblies.Security updates to Windows App Platform and Frameworks, Windows Media, Windows Silicon Platform, Microsoft Edge, Internet Explorer, Windows Fundamentals, Windows Authentication, Windows Peripherals, Windows Update Stack, and Windows Server.

If automatic updates are enabled on your system, you should see the new updates in the next couple of days. Or, if you can stay on top of things by manually heading to Settings > Update & Security > Microsoft Update to check. Older versions of Windows 10 are also getting a cumulative update today. There are a few known issues with these updates, which vary for each version. Ensure to read the documentation on the Windows 10 Update History page for your version’s release notes. If you have any issues with your PC after installing the update, which isn’t resolved by Microsoft’s documented workarounds, you can roll them back. For more on how to do that, check out: How to Uninstall a Windows 10 Cumulative Update.

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