Windows 10 cumulative update KB4556799

Microsoft has released new cumulative updates for Windows 10 as part of the Patch Tuesday Tuesday May 2020 cycle. Updated versions of Windows 10 are 1903 and 1909.

Both versions can install the same cumulative update, so changelog is exactly the same for both versions of Windows 10.

"Windows 10 in 1903 and 1909 versions have the same operating system kernel and an identical set of system files. So the new features in Windows 10 of version 1909 were included in the recent monthly quality update for Windows 10, version 1903 (released on October 8, 2019), according to Microsoft.

The cumulative update for Windows 10 of 1903 and 1909 is KB4556799 and changes the build number of the operating systems:

Windows 10 version 1903: build number 18362.836
Windows 10 version 1909: build number 18363.836

What is important to know is that the cumulative updates that appear in Patch Tuesday have security fixes that are supposed to fix vulnerabilities in the operating system.

So many Windows 10 applications and components have updates, such as WSL, Microsoft Edge, Windows Media, Windows Update Stack and more.

There are security enhancements for Microsoft Office as well. Microsoft says there are updates for storing and managing files, as well as verifying usernames and passwords.

Summary of changes:

• Updates to improve security when using Internet Explorer and Microsoft Edge.
• Updates to improve security when using external devices such as mouse, keyboard or stylus.
• Updates to verify user names and passwords.
• Updates to improve security when using Microsoft Xbox.
• Security update updates when Windows is running basic features.
• Updates for file storage and management.
• Updates to improve security when using Microsoft Office products.

Regarding the standard fixes that Patch Tuesday brings, Microsoft states that it updates:

Internet Explorer, 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. ”

As we all know, installing cumulative updates in Windows 10 is a big challenge, especially for those with older hardware. Quite often these updates present problems. For this reason, it would be good to make a good backup of your system before starting the installation.

The cumulative update of Windows 10 KB4556799 is available through Windows Update and from Microsoft Update Catalog for manual installation. It is also available through Windows Server Update Services (WSUS) for distribution to companies and organizations.