CVE-2017-2403: Apple Mac OS X

High severity, CVSS 8.8. EPSS: 2.7% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. macOS before 10.12.4 is affected. The issue involves the "Printing" component. A format-string vulnerability allows remote attackers to execute arbitrary code via a crafted ipp: or ipps: URL.

Affected products

• Apple Mac OS X: up to and including 10.12.3

Published 2017-04-02. Last modified 2026-06-17.