CVE-2026-18367

CRITICAL 9.3

CVSS Score

9.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-285
Vendor	sophos
Product	sophos endpoint for macos
Published	Aug 6, 2026
Last Updated	Aug 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Sophos / Sophos Endpoint for macOS

0 < 2026.1.1

Sophos / Sophos Home for macOS

0 < 10.11.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

sophos.com: https://www.sophos.com/security-advisories/sophos-sa-20260806-ep-macos-lpe

Credits

Hillel Pinto of XM Cyber