Update KB4577586 is part of Microsoft’s effort to follow through with plans it announced along with Adobe, Apple, Facebook, Google, and Mozilla in 2017 to end support for Flash by December 2020.
The Flash-removing update is available for all supported versions of Windows 10 and Windows Server, as well as Windows 8.1.
In September, Microsoft confirmed it was ending support for Adobe Flash Player on its Chromium-based Edge and legacy Edge browsers as well as Internet Explorer 11 at the end of 2020. But the company also detailed future enterprise support options for customers that need to retain Flash for line-of-business applications.
“Microsoft Edge will allow Adobe Flash Player to load as a plug-in via the Internet Explorer mode feature. Inherently, Internet Explorer 11 will also allow this. Once you make the switch from Microsoft provided Adobe Flash Player, it will be treated as any other third-party plug-in and will not receive Customer Support from Microsoft,” Microsoft said at the time.
In the past, Microsoft has worked with Adobe to deliver Flash updates for the browser plug-in in order to ensure end users were protected from exploits and malware targeting Flash Player security flaws.