What is CVE-2025-30390?

CVE-2025-30390 is a critical-severity vulnerability in Microsoft Azure Machine Learning, classified under Improper Authorization. CVSS score: 9.9/10. Published 2025-04-30.

How severe is CVE-2025-30390?

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

Auth bypass in Microsoft Azure Machine Learning

CVE-2025-30390

Improper authorization in Azure allows an authorized attacker to elevate privileges over a network.

EPSS: 0.011 (78.1th 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 Machine Learning

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

Azure ML Compute Elevation of Privilege Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2025-30390?: CVE-2025-30390 is a critical-severity vulnerability in Microsoft Azure Machine Learning, classified under Improper Authorization. CVSS score: 9.9/10. Published 2025-04-30.
How severe is CVE-2025-30390?: Critical severity. CVSS v3 base score is 9.9 out of 10.