CVE-2026-66322

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CVSS 3.1

5.4 medium

EPSS

<1%p5

Published

Aug 4, 2026 (Aug 4, 2026)

Modified

Aug 6, 2026

Description

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Vendors: microsoft
Products: edge chromium
Weakness: CWE-346
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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