HIGH

CVE-2018-4139

CVSS v3

7.8

HIGH

EPSS Score

4.4 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2018-4139 yet.

Full record on NVD

Description

An issue was discovered in certain Apple products. macOS before 10.13.4 is affected. The issue involves the "kext tools" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Technical details

Published: 2018-04-03
Exploit-DB: EDB-44561

Frequently asked questions

What is CVE-2018-4139?

Is CVE-2018-4139 actively exploited?

Active exploitation of CVE-2018-4139 has not been confirmed. Its EPSS score was 4.4% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-4139?

CVE-2018-4139 has a CVSS v3 base score of 7.8 (HIGH severity).

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