CVE-2017-13840: Apple Mac OS X

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. macOS before 10.13.1 is affected. The issue involves the "Kernel" component. It allows attackers to bypass intended memory-read restrictions via a crafted app.

Affected products

• Apple Mac OS X: up to and including 10.13.0

Published 2017-11-13. Last modified 2026-06-17.