CVE-2026-66321

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CVSS 3.1

9.6 critical

EPSS

<1%p44

Published

Aug 4, 2026 (Aug 4, 2026)

Modified

Aug 6, 2026

Description

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Vendors: microsoft
Products: edge chromium
Weakness: CWE-843
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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