What is the CVSS score of CVE-2025-30390?

CVE-2025-30390 has a CVSS 3.1 base score of 9.9 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.8%.

Which versions of Azure Machine Learning are affected by CVE-2025-30390?

Organizations using Improper authorization in Azure face critical risk from CVE-2025-30390 rated CVSS 9.9.

How to fix or mitigate CVE-2025-30390?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Azure Machine Learning CVE-2025-30390

CRITICAL

Improper Authorization (CWE-285)

2025-04-30 secure@microsoft.com

Authentication Bypass Microsoft Azure Machine Learning

9.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.9 CRITICAL

AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:39 vuln.today

CVE Published

Apr 30, 2025 - 18:15 nvd

CRITICAL 9.9

DescriptionCVE.org

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

AnalysisAI

Improper authorization in Azure allows an authorized attacker to elevate privileges over a network. Rated critical severity (CVSS 9.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-285. Improper authorization in Azure allows an authorized attacker to elevate privileges over a network. Affected products include: Microsoft Azure Machine Learning.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.