CVE-2021-30772: Apple Mac OS X

High severity, CVSS 7.8. EPSS: 1.1% chance of exploitation in the next 30 days.

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to gain root privileges.

Affected products

• Apple Mac OS X: from 10.14.0, before 10.14.6 (fixed in 10.14.6); from 10.15, before 10.15.7 (fixed in 10.15.7); version 10.14.6 only; version 10.15.7 only
• Apple macOS: before 11.5 (fixed in 11.5)

Published 2021-09-08. Last modified 2026-06-17.