How severe is CVE-2025-30390?

CVE-2025-30390 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-30390 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-30390?

CVE-2025-30390 affects Microsoft Azure Machine Learning. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-30390?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-30390 have an EU (EUVD) identifier?

Yes. CVE-2025-30390 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12759.

When was CVE-2025-30390 published?

CVE-2025-30390 was published on 2025-04-30 and last updated on 2026-06-17.

CVE-2025-30390

CVE-2025-30390 is a critical-severity vulnerability in Microsoft Azure Machine Learning with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-285.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12759
Weakness: CWE-285
Affected product: Microsoft Azure Machine Learning
Published: 2025-04-30
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2025-30390?: Improper authorization in Azure allows an authorized attacker to elevate privileges over a network.
How severe is CVE-2025-30390?: CVE-2025-30390 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-30390 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-30390?: CVE-2025-30390 affects Microsoft Azure Machine Learning. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-30390?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-30390 have an EU (EUVD) identifier?: Yes. CVE-2025-30390 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12759.
When was CVE-2025-30390 published?: CVE-2025-30390 was published on 2025-04-30 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30390

Affected products (1)

cpe:2.3:a:microsoft:azure_machine_learning:-:*:*:*:*:*:*:*

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