CVE-2026-66321: Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

PriorityP259critical9.6CVSS 3.1

AVNACLPRNUIRSCCHIHAH

EPSS

0.55%

43.7th percentile

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

Affected

2 ranges

Vendor	Product	Version range	Fixed in
microsoft	edge_chromium	< 151.0.4129.59	151.0.4129.59
microsoft	microsoft_edge	>= 1.0.0.0 < 151.0.4129.59	151.0.4129.59

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