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CVE-2026-18367

Broken access control

9.3 CRITICALEPSS 0.18%
  1. Published6 Aug 2026

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.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-18367 being actively exploited?

CVE-2026-18367 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.18%.

How severe is CVE-2026-18367?

CVE-2026-18367 has a CVSS 3.1 base score of 9.3, rated critical. EPSS estimates a 0.18% probability of exploitation.

How do I fix CVE-2026-18367?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-18367 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.