KB4601319 for Windows 10 Versions 20H2 and 2004

If you are running Windows 10 versions 2004 or 20H2 your update will come in the form of KB4601319. After installing this update Windows 10 version 2004 will be bumped to build number 19041.804. And Windows 10 version 20H2 will be bumped to build number 19042.804. Here are the highlights of today’s update:

Updates to improve security when using input devices such as a mouse, keyboard, or pen.Updates for verifying usernames and passwords.

And here are the improvements and fixes:

Addresses a possible elevation of privilege vulnerability in the win32k component.Addresses an issue that might damage the file system of some devices and prevent them from starting up after running chkdsk /f.Security updates to the Windows App Platform and Frameworks, Windows Apps, Windows Input and Composition, Windows Cloud Infrastructure, Windows Management, Windows Authentication, Windows Fundamentals, Windows Cryptography, Windows Virtualization, Windows Core Networking, and Windows Hybrid Cloud Networking.

Patch Tuesday for Windows 10 version 1909

And if you are still running Windows 10 1909 you are getting KB4601315 and it will bring your build number to 18363.1377 and it includes the following highlights:

Updates to improve security when using input devices such as a mouse, keyboard, or pen.Updates for verifying usernames and passwords.

And it includes the following improvements and fixes:

Addresses a possible elevation of privilege vulnerability in the win32k component.Security updates to Windows App Platform and Frameworks, Windows Apps, Windows Input and Composition, Windows Cloud Infrastructure, Windows Management, Windows Authentication, Windows Fundamentals, Windows Cryptography, Windows Virtualization, Windows Core Networking, and Windows Hybrid Cloud Networking.

If automatic updates enabled on your system, you should see the new updates in the next couple of days. Or, you can stay on top of things by manually heading to Settings > Update & Security > Microsoft Update to check. Older versions of Windows 10 are getting updates today as well. Make sure to read the documentation on the Windows 10 Update History page for your version’s full release notes. If something breaks after you install today’s updates and cannot be resolved by Microsoft’s documented workarounds you can roll them back. For more on how to do that, makes sure to read our article: How to Uninstall a Windows 10 Cumulative Update.