CVE-2021-34475

Name: CVE-2021-34475
Creator: NVD / NIST
Published: 2023-07-01T00:15:09.757+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2021-34475 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS Probability

0.57%

42.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Edge Chromium	< 91.0.864.59

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34475Patch, Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34475Patch, Vendor Advisory

Timeline

Published: Jul 1, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-34475?

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

How severe is CVE-2021-34475?

CVE-2021-34475 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2021-34475?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-34475?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST