CVE-2018-4136

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-04-03 · updated 2026-06-17
Weakness: CWE-125

Description

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

Affected products

macOS: before 10.13.4 — fixed in 10.13.4

How to fix

Upgrade to a fixed version: macOS 10.13.4. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/103582
http://www.securitytracker.com/id/1040608
https://support.apple.com/HT208692
http://www.securityfocus.com/bid/103582
http://www.securitytracker.com/id/1040608
https://support.apple.com/HT208692

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