CVE-2026-58289

CRITICAL

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

CVSS v3.1 Score

9.0
CRITICAL
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 7/3/2026Modified: 7/3/2026

Related Intelligence (1)

CRITICALVulnerability

NVD CRITICAL: CVE-2026-58289 — Access of resource using incompatible type ('type confusion') in Microsoft Edge ...

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

CVE-2026-58289
NIST NVD

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58289