What is CVE-2026-69446?

CVE-2026-69446 is a medium-severity vulnerability in Microsoft Edge (Chromium-Based), classified under Incorrect Authorization. CVSS score: 4.4/10. Published 2026-10-30.

How severe is CVE-2026-69446?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Auth bypass in Microsoft Edge (Chromium-Based)

CVE-2026-69446

Incorrect authorization in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.

Vulnerability class: Broken Access Control

Published 2026-10-30 · last modified 2026-10-31.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Microsoft Edge (Chromium-Based)

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69446 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-69446?: CVE-2026-69446 is a medium-severity vulnerability in Microsoft Edge (Chromium-Based), classified under Incorrect Authorization. CVSS score: 4.4/10. Published 2026-10-30.
How severe is CVE-2026-69446?: Medium severity. CVSS v3 base score is 4.4 out of 10.