What is CVE-2026-24300?

CVE-2026-24300 is a critical-severity vulnerability in Microsoft Azure Front Door, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-02-05.

How severe is CVE-2026-24300?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Microsoft Azure Front Door

CVE-2026-24300

Azure Front Door Elevation of Privilege Vulnerability

Published 2026-02-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.4th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

Azure Front Door Elevation of Privilege Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-24300?: CVE-2026-24300 is a critical-severity vulnerability in Microsoft Azure Front Door, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-02-05.
How severe is CVE-2026-24300?: Critical severity. CVSS v3 base score is 9.8 out of 10.