For Patch Tuesday in October 2021, Microsoft is releasing Windows 10 cumulative update KB5006670. It targets PCs under 2004, 21H1 or 21H2. The focus is on security with the correction of numerous flaws.
The installation of this cumulative update upgrades these OS to version 19041.1288, 19042.1288 and 19043.1288. These figures are important because they allow you to verify that the download and installation have been successful.correctly unwound. To find them, just run "winver.exe" in "Run" (WIN + R).
Windows 10 and KB5006670
Available for download KB5006670 is a cumulative maintenance update . Its content primarily addresses security. It fixes dozens of flaws, one of which is deemed critical. Named CVE-2021-40461 it affects Windows Hyper-V and allows a hacker to execute remote code. We also have fixed a bug that prevented some applications, such as Microsoft Office and Adobe Reader, from opening or simply responding. This happens on devices under Exploit Protection for Export Address Filtering (EAF).
KB5006670 isoffered through Windows Update and WSUS (Windows Server Update Service) or by manual download. In this case you have to go to the site of Microsoft Update Catalog .
Please note that we have a known issue. It applies to Windows installations created from custom offline media or a custom ISO image. The old Microsoft Edge can be removed but not replaced by the new Microsoft Edge (Chromium). This issue is encountered if these installation media include this update but without installing the stand-alone servicing stack (SSU) update released on March 29, 2021 or later.