CVE-2021-31002: Apple macOS

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

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.2. A malicious application may be able to execute arbitrary code with system privileges.

Affected products

• Apple macOS: from 11.6, before 11.6.2 (fixed in 11.6.2); version 12.0.0 only

Published 2021-08-24. Last modified 2026-06-17.