PT-2026-55635 · Microsoft · Edge

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CVE-2026-58289

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Published

2026-07-03

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Updated

2026-07-07

CVSS v3.1

9.0

Critical

VectorAV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Microsoft Edge (Chromium-based) versions prior to 150.0.4078.48
Description A type confusion flaw occurs when a program accesses a resource using an incompatible type. In Microsoft Edge (Chromium-based), this issue allows an unauthorized attacker to execute arbitrary code over a network within the browser context. This can be triggered by malicious web content.
Recommendations Update to version 150.0.4078.48 or later.

Exploit

Fix

RCE

DoS

Type Confusion

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Weakness Enumeration

Related Identifiers

CVE-2026-58289

Affected Products

Edge