What is CVE-2026-69854?

CVE-2026-69854 is a critical-severity vulnerability in Microsoft Spring Cloud, classified under Improper Authentication. CVSS score: 9.0/10. Published 2026-09-08.

How severe is CVE-2026-69854?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Auth bypass in Microsoft Spring Cloud

CVE-2026-69854

Improper authentication in Spring Cloud Azure allows an unauthorized attacker to elevate privileges over a network.

Vulnerability class: Broken Authentication

Published 2026-09-08 · last modified 2026-09-29.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.1th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

Spring Cloud Azure Elevation of Privilege Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-69854?: CVE-2026-69854 is a critical-severity vulnerability in Microsoft Spring Cloud, classified under Improper Authentication. CVSS score: 9.0/10. Published 2026-09-08.
How severe is CVE-2026-69854?: Critical severity. CVSS v3 base score is 9.0 out of 10.