CVE-2021-43221: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Overview

Severity
Medium (CVSS 4.2)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C
Category
Edge - Chromium
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2021-Nov
Released
2021-11-19
Last Updated
2021-11-22
EPSS Score
0.86% (percentile: 75.0%)

FAQ

What is the version information for this release? Microsoft Edge Version Date Released Based on Chromium Version 96.0.1954.29 11/19/2021 96.0.4664.45

Affected Products (1)

Browser

  • Microsoft Edge (Chromium-based)

Acknowledgments

<a href="https://www.daviderceg.com/">David Erceg</a>

Revision History

  • 2021-11-19: Information published.
  • 2021-11-22: The following revisions have been made: 1) Updated CVSS scores. 2) In the FAQ, corrected the Microsoft Edge (Chromium-based) version number. These are informational changes only.