What is CVE-2026-18367?

CVE-2026-18367 is a critical-severity vulnerability in Sophos Endpoint For Macos, classified under Improper Authorization. CVSS score: 9.3/10. Published 2026-08-06.

How severe is CVE-2026-18367?

Critical severity. CVSS v3 base score is 9.3 out of 10.

Auth bypass in Sophos Endpoint For Macos

CVE-2026-18367

A privilege escalation vulnerability allows local users to execute arbitrary code as root via Sophos Endpoint for macOS older than version 2026.1.1 and Sophos Home for macOS older than version 10.11.6.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Sophos Endpoint For Macos — versions 0
Sophos Home For Macos — versions 0

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

security-alert@sophos.com

Frequently asked questions

What is CVE-2026-18367?: CVE-2026-18367 is a critical-severity vulnerability in Sophos Endpoint For Macos, classified under Improper Authorization. CVSS score: 9.3/10. Published 2026-08-06.
How severe is CVE-2026-18367?: Critical severity. CVSS v3 base score is 9.3 out of 10.