What is CVE-2025-29813?

CVE-2025-29813 is a critical-severity vulnerability in Microsoft Azure Devops, classified under Authentication Bypass by Assumed-Immutable Data. CVSS score: 10.0/10. Published 2025-05-08.

How severe is CVE-2025-29813?

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

Is CVE-2025-29813 known to be exploited?

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

Auth bypass in Microsoft Azure Devops

CVE-2025-29813

Authentication bypass by assumed-immutable data in Azure DevOps allows an unauthorized attacker to elevate privileges over a network.

Published 2025-05-08 · 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: 0.018 (77.8th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.018 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29813 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-29813?: CVE-2025-29813 is a critical-severity vulnerability in Microsoft Azure Devops, classified under Authentication Bypass by Assumed-Immutable Data. CVSS score: 10.0/10. Published 2025-05-08.
How severe is CVE-2025-29813?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2025-29813 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.