CVE-2020-9822: Apple Mac OS X

High severity, CVSS 7.8. EPSS: 1.2% chance of exploitation in the next 30 days.

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected products

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

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