This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information. Microsoft is aware of reports that exploits for CVE-2021-21220 exist in the wild.
What is the version information for this release? Microsoft Edge Version Date Released Based on Chromium Version 89.0.774.77 4/14/2021 89.0.4389.128 Why is this Chrome CVE included in the Security Update Guide? The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable. Please see Security Update Guide Supports CVEs Assigned by Industry Partners for more information. How can I see the version of the browser? In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window Click on Help and Feedback Click on About Microsoft Edge
Maturity: Exploit