CVE-2021-26436

Name: CVE-2021-26436
Creator: NVD / NIST
Published: 2021-09-02T23:15:07.14+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 2.18%

Last modified Jun 17, 2026

CVE-2021-26436 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability. EPSS estimates a 2.18% chance of exploitation in the next 30 days.

Description

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

2.18%

80.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Edge	< 93.0.961.38

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26436Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26436Patch, Vendor Advisory

Timeline

Published: Sep 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-26436?

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

How severe is CVE-2021-26436?

CVE-2021-26436 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 2.18% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26436?

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-2021-26436?

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

Scan your code now

Source: NVD / NIST