What’s Vulnerable › Vulnerabilities

CVE-2025-26643: Microsoft Edge (Chromium-based) Spoofing Vulnerability

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-03-07 · updated 2026-06-17
• Weakness: CWE-449

Description

The UI performs the wrong action in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Affected products

• Microsoft Edge (Chromium): before 134.0.3124.51 — fixed in 134.0.3124.51
• Microsoft Edge (Chromium): from 1.0.0.0 before 134.0.3124.51 — fixed in 134.0.3124.51

How to fix

Upgrade to a fixed version: Microsoft Edge (Chromium) 134.0.3124.51; Microsoft Edge (Chromium) 134.0.3124.51. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26643

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