What is CVE-2026-24304?

CVE-2026-24304 is a critical-severity vulnerability in Microsoft Azure Resource Manager, classified under Improper Access Control. CVSS score: 9.9/10. Published 2026-01-23.

How severe is CVE-2026-24304?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in Microsoft Azure Resource Manager

CVE-2026-24304

Improper access control in Azure Resource Manager allows an authorized attacker to elevate privileges over a network.

EPSS: 0.001 (24.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C.

Affected products

Microsoft Azure Resource Manager

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

Azure Resource Manager Elevation of Privilege Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-24304?: CVE-2026-24304 is a critical-severity vulnerability in Microsoft Azure Resource Manager, classified under Improper Access Control. CVSS score: 9.9/10. Published 2026-01-23.
How severe is CVE-2026-24304?: Critical severity. CVSS v3 base score is 9.9 out of 10.