By the end of 2020, Flash saw the countdown to its demise begin in Windows 10. The KB4577586 patch eliminated Flash, but only the version included in Windows 10. An optional update that will become mandatory from July 2021.
Microsoft plans to automatically install update KB4577586 and will be installed from June 2021, a process that will cause Flash to disappear from all devices that still use Adobe development.
A final farewell
Adobe stopped supporting Flash on January 1, 2021, and on January 12, it released a tool to stop Flash Player from working. Microsoft later released update KB4577586 as a further step to erase Flash from its operating system, but it was only an optional update.
Hotfix KB4577586 is available in the Windows Catalog as an optional update, although Microsoft clarifies future Flash projects on its support page. According to them and to improve customer safety, Microsoft will eliminate the Flash component from Windows via KB4577586 “Update for the elimination of Adobe Flash Player”.
Starting in June 2021, Microsoft will include it in its Windows 10 Preview cumulative updates for Windows 10 1809 and later. Then, starting in July, it will include the fix in the July 2021 Patch Tuesday mandatory cumulative updates for Windows 10 1507 and later versions of Windows Server 2012 and Windows 8.1.
“Starting June 2021, KB4577586” Adobe Flash Player Removal Update “will be included in Preview Update for Windows 10, version 1809 and later platforms. It will also be included in all subsequent cumulative updates. ”
“As of July 2021, KB4577586” Adobe Flash Player Removal Update “will be included in the latest cumulative update for Windows 10, versions 1607 and Windows 10, version 1507. This fix will also be included in the hotfix Monthly Rollup and Security Only Update for Windows 8.1, Windows Server 2012, and Windows Embedded 8 Standard. ”
Before and as usual, Microsoft will release this hotfix for Insider users who install Windows 21H1 in preview. This will automatically install and remove the Adobe Flash Player plug-in.
Via | BleepingComputer