Security Update Microsoft Edge 83.0.478.56

Edge[German]Microsoft issued a security advisory on June 24, 2020, which indicates the new security update for the Chromium Edge Browser to version 83.0.478.56.


In the security advisory dated June 24, 2020, Microsoft provides only the following information:

Title: Microsoft Security Advisory Notification
Issued: June 24, 2020

Security Advisories Released or Updated on June 24, 2020

* Microsoft Security Advisory ADV200002

ADV200002 | Chromium Security Updates for Microsoft Edge based on Chromium
– Reason for Revision: Updated advisory to announce a new version of Microsoft Edge
   (Chromium-based). Please see the table for more information.
– Originally posted: January 28, 2020
– Updated: June 24, 2020
– Version: 16.0


But currently nothing can be retrieved under ADV200002 (at least not while writing this blog post, an undefined one appears). But the GErman colleagues from and have given some hints in their posts.

According to, Microsoft has closed two vulnerabilities in Microsoft Edge that are rated as high. In the blog post Chrome 83.0.4103.116 with security fixes released I mentioned the Use after free vulnerability CVE-2020-6509 in extensions (see also the Chromium page here). 

The update to version 83.0.478.56 is based on version 83.0.4103.116 of Chromium and can be downloaded from Microsoft now. At you can find the direct download links.

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