CVE-2022-26718: Apple macOS

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Monterey 12.4, macOS Big Sur 11.6.6. An application may be able to gain elevated privileges.

Affected products

• Apple macOS: from 11.0, before 11.6.6 (fixed in 11.6.6); from 12.0.0, before 12.4 (fixed in 12.4)

Published 2022-05-26. Last modified 2026-06-17.