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CVE-2024-38221: Microsoft Edge (Chromium-based) Spoofing Vulnerability

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-19 · updated 2026-08-10
• Weakness: CWE-79

Description

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Affected products

• Microsoft Edge (Chromium): before 129.0.2792.52 — fixed in 129.0.2792.52
• Microsoft Edge (Chromium): from 1.0.0 before 129.0.2792.52 — fixed in 129.0.2792.52

How to fix

Upgrade to a fixed version: Microsoft Edge (Chromium) 129.0.2792.52; Microsoft Edge (Chromium) 129.0.2792.52. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38221

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