Microsoft Releases May Updates for Windows 10

It’s Patch Tuesday again and today Microsoft is releasing new cumulative updates for all versions of Windows 10 sans version 1511.

It’s Patch Tuesday for May. Microsoft today is releasing cumulative updates for all supported versions of Windows 10 sans 1511. If you’re running Windows 10 1903 aka “May 2019 Update” or version 1909 aka “November 2019 Update” your patch will come in the form of KB4556799. Here’s a look at what you can expect.


Note: Both versions 1903 and 1909 get the same cumulative update version. As usual, there are no new features, but the update includes important security fixes and overall system improvements.

Cumulative Update KB4556799 for Windows 10 1909 and 1903

Today’s update will bump Windows 10 version 1903 and 1909 to 18363.836 and 18362.836 respectively. Here are the highlights of the new build:

  • Updates to improve security when using Internet Explorer and Microsoft Edge.
  • Updates to improve security when using input devices such as a mouse, keyboard, or stylus.
  • Updates for verifying usernames and passwords.
  • Updates to improve security when using Microsoft Xbox.
  • Updates to improve security when Windows performs basic operations.
  • Updates for storing and managing files.
  • Updates to improve security when using Microsoft Office products.

And here is the list of improvements and fixes:

  • Updates the 2020 start date for daylight saving time (DST) in the Kingdom of Morocco.
  • Security updates to Internet Explorer, the Microsoft Scripting Engine, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Input and Composition, Windows Media, Windows Shell, Microsoft Xbox, Microsoft Edge, Windows Fundamentals, Windows Cryptography, Windows Authentication, Windows Kernel, Windows Linux, Windows Update Stack, Windows Network Security and Containers, Windows Active Directory, Windows Storage and Filesystems, and the Microsoft JET Database Engine.

If automatic updates 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 getting updates today as well. There are no documented known issues with this update. Make sure to read the documentation on the Windows 10 Update History page for your version’s release notes.

If something breaks after you install today’s updates and cannot be resolved with 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.

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