PT-2026-67566 · Microsoft · Edge

CVE-2026-66321

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Published

2026-08-03

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Updated

2026-08-05

CVSS v3.1

9.6

Critical

VectorAV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Microsoft Edge (Chromium-based) (affected versions not specified)
Description A type confusion issue occurs when a resource is accessed using an incompatible type. This flaw allows an unauthorized attacker to execute arbitrary code over a network.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Type Confusion

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Weakness Enumeration

Related Identifiers

CVE-2026-66321

Affected Products

Edge