What is CVE-2026-58525?

CVE-2026-58525 is a high-severity vulnerability in Microsoft Edge_chromium, classified under Improper Access Control. CVSS score: 8.2/10. Published 2026-07-08.

How severe is CVE-2026-58525?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Microsoft Edge_chromium

CVE-2026-58525

Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N.

Affected products

Microsoft Edge_chromium
Microsoft Edge (Chromium-based) — versions 1.0.0.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-58525?: CVE-2026-58525 is a high-severity vulnerability in Microsoft Edge_chromium, classified under Improper Access Control. CVSS score: 8.2/10. Published 2026-07-08.
How severe is CVE-2026-58525?: High severity. CVSS v3 base score is 8.2 out of 10.