What is CVE-2026-120783?

CVE-2026-120783 is a medium-severity vulnerability in Microsoft Azure Devops Server 2025, classified under Weak Authentication. CVSS score: 6.4/10. Published 2026-11-10.

How severe is CVE-2026-120783?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Vulnerability in Microsoft Azure Devops Server 2025

CVE-2026-120783

Weak authentication in Azure DevOps Server allows an authorized attacker to elevate privileges over a network.

Published 2026-11-10 · last modified 2026-11-10.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Microsoft Azure Devops Server 2025

Weakness classification (CWE)

CWE-1390 — Weak Authentication

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-120783 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-120783?: CVE-2026-120783 is a medium-severity vulnerability in Microsoft Azure Devops Server 2025, classified under Weak Authentication. CVSS score: 6.4/10. Published 2026-11-10.
How severe is CVE-2026-120783?: Medium severity. CVSS v3 base score is 6.4 out of 10.