Aug 2026: Microsoft Edge (Chromium-based) Tampering Vulnerability
CVE-2026-66313 Published on August 3, 2026

Microsoft Edge (Chromium-based) Tampering Vulnerability
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering locally.

Vendor Advisory NVD

Weakness Type

Origin Validation Error

The software does not properly verify that the source of data or communication is valid.


Products Associated with CVE-2026-66313

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Microsoft Edge Chromium
 

Affected Versions

Microsoft Edge (Chromium-based):