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CVE-2026-18367

CRITICALCVSS 9.3/10EPSS 0.13%

Last modified

CVE-2026-18367 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. 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.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.3/10

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

EPSS Probability
0.13%

3.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
SophosSophos Endpoint for macOS< 2026.1.1
SophosSophos Home for macOS< 10.11.6

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is 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.
How severe is CVE-2026-18367?
CVE-2026-18367 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2026-18367?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST