What is CVE-2026-6406?

CVE-2026-6406 is a high-severity vulnerability in Apple Macos, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-05-22.

How severe is CVE-2026-6406?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Apple Macos

CVE-2026-6406

The Docker CLI --use-api-socket flag bypasses Enhanced Container Isolation (ECI) restrictions in Docker Desktop. When ECI is enabled, Docker socket mounts from containers are denied unless explicitly allowed via the admin-settings configur…

Vulnerability class: Broken Access Control

EPSS: 0.000 (6.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Apple Macos
Docker Desktop — versions 4.41.0
Docker Docker_desktop
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security@docker.com (release-notes, Release Notes)
security@docker.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-6406?: CVE-2026-6406 is a high-severity vulnerability in Apple Macos, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-05-22.
How severe is CVE-2026-6406?: High severity. CVSS v3 base score is 8.8 out of 10.