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CVE-2024-38222: Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-12 · updated 2026-08-10
• Weakness: CWE-276

Description

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Affected products

• Microsoft Edge: before 128.0.2739.42 — fixed in 128.0.2739.42
• Microsoft Edge (Chromium): from 1.0.0 before 128.0.2739.42 — fixed in 128.0.2739.42

How to fix

Upgrade to a fixed version: Microsoft Edge 128.0.2739.42; Microsoft Edge (Chromium) 128.0.2739.42. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38222

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