What is CVE-2025-54914?

CVE-2025-54914 is a critical-severity vulnerability in Microsoft Azure Networking, classified under Improper Access Control. CVSS score: 10.0/10. Published 2025-09-04.

How severe is CVE-2025-54914?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2025-54914 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Azure Networking

CVE-2025-54914

Azure Networking Elevation of Privilege Vulnerability

Published 2025-09-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.4th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-284 — Improper Access Control

Public proof-of-concept exploits

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54914 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-54914?: CVE-2025-54914 is a critical-severity vulnerability in Microsoft Azure Networking, classified under Improper Access Control. CVSS score: 10.0/10. Published 2025-09-04.
How severe is CVE-2025-54914?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2025-54914 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.