Vulnerability · Published Aug 6, 2026 · Assigned by Sophos

CVE-2026-18367

Critical 9.3

In plain English

A critical-severity security flaw in Sophos Endpoint for macOS from Sophos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 3.1)9.3Critical
Exploit odds (30 days)0.2%top 92.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Sophos Sophos Endpoint for macOS 0 – before 2026.1.1
Sophos Sophos Home for macOS 0 – before 10.11.6

Weakness: CWE-285 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References