CVE-2017-13811: Apple Mac OS X

High severity, CVSS 7.8. EPSS: 1.2% 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 "fsck_msdos" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) 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.