What is CVE-2026-56160?

CVE-2026-56160 is a critical-severity vulnerability in Microsoft Azure Red Hat Openshift, classified under Improper Authorization. CVSS score: 9.1/10. Published 2026-07-24.

How severe is CVE-2026-56160?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Microsoft Azure Red Hat Openshift

CVE-2026-56160

Improper authorization in Azure Red Hat OpenShift (ARO) allows an authorized attacker to elevate privileges over a network.

EPSS: 0.006 (45.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Microsoft Azure_red_hat_openshift
Microsoft Azure Red Hat Openshift (Aro)

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

Azure Red Hat OpenShift (ARO) Elevation of Privilege Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-56160?: CVE-2026-56160 is a critical-severity vulnerability in Microsoft Azure Red Hat Openshift, classified under Improper Authorization. CVSS score: 9.1/10. Published 2026-07-24.
How severe is CVE-2026-56160?: Critical severity. CVSS v3 base score is 9.1 out of 10.