As part of the Tuesday Patch, Microsoft pushed kb4556799 cumulative updates to Windows 10 1903/1909 users. Because the code for both system versions is essentially the same, the change logs for this cumulative update are the same. In addition, the new features in 1909 are included in the most recent monthly quality update of 1903, but these hidden features are not activated until the user chooses to enable them.
This cumulative update focuses on security fixes for system vulnerabilities, and when Windows 10 KB4556799 is installed, the build number of 1903/1909 will rise to 18362.836 / 18363.836, respectively.
Some system components, including the Windows Linux subsystem, the Microsoft Edge browser, Windows Media, the Windows upgrade stack, and more, have also been updated.
The security of the Office Productivity Suite has been enhanced, and the experience of input devices such as key mouse/stylus has been improved, as well as updates for storing/managing files and verifying user names/passwords.
Here are some summaries of this cumulative update:
Updates enhance security when using IE and Edge;
Update to enhance the security of input devices such as key mouse styluses;
Update the verification of the username and password;
Updates improve security when using Microsoft Xbox;
Updates improve the security of Windows when performing basic operations;
Update the storage and management functions of the files;
Updates improve security when using Office products.
The good news is that this update does not bring some known issues. It is well known that Windows 10 users were most afraid of various surprises when installing cumulative updates, while light installation failures and heavy functionaldamage led to some features.
It is reported that Windows 10 KB4556799 cumulative updates are available through standard distribution channels, such as waiting for Windows Update’s automatic update push,
This is done manually, or through a WSUS upgrade service deployed by the enterprise.