CVE-2024-21423

Name: CVE-2024-21423
Creator: NVD / NIST
Published: 2024-02-23T22:15:54.717+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2024-21423 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. Microsoft Edge (Chromium-based) Information Disclosure Vulnerability. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.58%

43.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-693

Affected Software

Vendor	Product	Versions
Microsoft	Edge Chromium	< 122.0.2365.52

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21423Patch, Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21423Patch, Vendor Advisory

Timeline

Published: Feb 23, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-21423?

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

How severe is CVE-2024-21423?

CVE-2024-21423 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2024-21423?

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-2024-21423?

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

Scan your code now

Source: NVD / NIST