What is CVE-2025-29827?

CVE-2025-29827 is a critical-severity vulnerability in Microsoft Azure Automation, classified under Improper Authorization. CVSS score: 9.9/10. Published 2025-05-08.

How severe is CVE-2025-29827?

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

Auth bypass in Microsoft Azure Automation

CVE-2025-29827

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

Published 2025-05-08 · last modified 2026-06-17.

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:L.

EPSS exploit prediction

EPSS: 0.017 (76.6th percentile), scored 2026-10-24.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.017 · change: +0.001

Affected products

Weakness classification (CWE)

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29827 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-29827?: CVE-2025-29827 is a critical-severity vulnerability in Microsoft Azure Automation, classified under Improper Authorization. CVSS score: 9.9/10. Published 2025-05-08.
How severe is CVE-2025-29827?: Critical severity. CVSS v3 base score is 9.9 out of 10.