CVE-2020-9788: Apple Mac OS X

High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Catalina 10.15.5. A file may be incorrectly rendered to execute JavaScript.

Affected products

• Apple Mac OS X: before 10.15.5 (fixed in 10.15.5)

Published 2020-06-09. Last modified 2026-06-17.