Windows 10 cumulative updates are released at least twice every month. The updates include both security and non-security fixes. The monthly updates are downloaded and installed automatically in the background to provide quality improvements and important security fixes. In this Windows 10 guide, we provide different ways that you can use to get a a list of installed Windows 10 updates. You can verify the list of updates with Windows 10’s Settings app or the Control Panel to see the full list of additional updates. Other updates such as Windows 10 Servicing Stack, Intel Microcodes and Visual Studio patches won’t be listed on Windows Update page.
Source: https://www.bleepingcomputer.com/news/microsoft/how-to-get-a-list-of-installed-windows-10-updates/