CVE-2021-30912: Apple Mac OS X

Medium severity, CVSS 5.5. EPSS: 1.6% chance of exploitation in the next 30 days.

The issue was addressed with improved permissions logic. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may gain access to a user's Keychain items.

Affected products

• Apple Mac OS X: before 10.15.7 (fixed in 10.15.7); version 10.15.7 only
• Apple macOS: from 11.0, before 11.6.1 (fixed in 11.6.1); version 12.0 only

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