CVE-2022-22631: Apple Mac OS X

High severity, CVSS 7.8. EPSS: 0.3% 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 Big Sur 11.6.5, macOS Monterey 12.3, Security Update 2022-003 Catalina. An application may be able to gain elevated privileges.

Affected products

• Apple Mac OS X: from 10.15, before 10.15.7 (fixed in 10.15.7); version 10.15.7 only
• Apple macOS: before 11.6.5 (fixed in 11.6.5); from 12.0.0, before 12.3 (fixed in 12.3); version 10.15.7 only

Published 2022-03-18. Last modified 2026-06-17.