As part of the July 2021 Patch Tuesday, Microsoft has released new updates for recent versions of Windows. Today’s cumulative updates include security fixes for PCs with May 2021 Update, October 2020 Update, and May 2020 Update. Windows users must install these updates as soon as possible as they contain fixes for nine zero-day vulnerabilities, with four actively exploited by threat actors. Microsoft recommends that you immediately install this update on all supported Windows client and server operating system, starting with devices that currently host the print server role. After installing the KB5004237 update, Windows 10 2004 will be updated to build 19041.1110.
Source: https://www.bleepingcomputer.com/news/microsoft/windows-10-kb5004237-and-kb5004245-cumulative-updates-released/