CVE-2021-30933: Apple macOS

High severity, CVSS 7.0. EPSS: 0.7% chance of exploitation in the next 30 days.

A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected products

• Apple macOS: from 11.0, before 11.6 (fixed in 11.6); version 12.0.0 only

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