What is CVE-2026-24306?

CVE-2026-24306 is a critical-severity vulnerability in Microsoft Azure Front Door, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-01-22.

How severe is CVE-2026-24306?

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

Vulnerability in Microsoft Azure Front Door

CVE-2026-24306

Improper access control in Azure Front Door (AFD) allows an unauthorized attacker to elevate privileges over a network.

EPSS: 0.008 (52.3th percentile) — read the EPSS interpretation.

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.

Affected products

Microsoft Azure Front Door
Microsoft Azure_front_door

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-2026-24306?: CVE-2026-24306 is a critical-severity vulnerability in Microsoft Azure Front Door, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-01-22.
How severe is CVE-2026-24306?: Critical severity. CVSS v3 base score is 9.8 out of 10.