CVE-2026-66313

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CVSS 3.1

6.8 medium

EPSS

<1%p6

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 tampering locally.

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

NVD CVE.org GitHub PoCs EPSS (0.2%)

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