Microsoft released out-of-band (OOB) KB5015020 (OS Builds 19042.1708, 19043.1703, and 19044.1708) for Windows 10 versions 21H2, 21H1, and 20H2.
Update: To get the update, go to Settings > Update & Security > Windows Update. The link to download and install the update can be found in the Optional updates available area. To get the standalone package for this update, go to the Microsoft Update Catalog website.