What is CVE-2026-58300?

CVE-2026-58300 is a medium-severity vulnerability in Microsoft Edge (Chromium-based), classified under Absolute Path Traversal. CVSS score: 6.2/10. Published 2026-07-03.

How severe is CVE-2026-58300?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Path Traversal in Microsoft Edge (Chromium-based)

CVE-2026-58300

Absolute path traversal in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Microsoft Edge (Chromium-based) — versions 1.0.0.0

Weakness classification (CWE)

CWE-36 — Absolute Path Traversal

References

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

Frequently asked questions

What is CVE-2026-58300?: CVE-2026-58300 is a medium-severity vulnerability in Microsoft Edge (Chromium-based), classified under Absolute Path Traversal. CVSS score: 6.2/10. Published 2026-07-03.
How severe is CVE-2026-58300?: Medium severity. CVSS v3 base score is 6.2 out of 10.