CVE-2024-21423: Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-02-23 · updated 2026-08-10
Weakness: CWE-693

Description

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Affected products

Microsoft Edge (Chromium): before 122.0.2365.52 — fixed in 122.0.2365.52
Microsoft Edge (Chromium): from 1.0.0 before 122.0.2365.52 — fixed in 122.0.2365.52

How to fix

Upgrade to a fixed version: Microsoft Edge (Chromium) 122.0.2365.52; Microsoft Edge (Chromium) 122.0.2365.52. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21423
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21423

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