Aug 2026: Microsoft Edge (Chromium-based) Tampering Vulnerability
CVE-2026-66311 Published on August 3, 2026
Microsoft Edge (Chromium-based) Tampering Vulnerability
Missing authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering locally.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-66311 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-66311
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Affected Versions
Microsoft Edge (Chromium-based):- Version 1.0.0.0 and below 151.0.4129.59 is affected.