CVE-2021-30803: Apple macOS

Low severity, CVSS 3.3. EPSS: 0.8% chance of exploitation in the next 30 days.

A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to access a user’s recent Contacts.

Affected products

• Apple macOS: from 11.0, before 11.5 (fixed in 11.5)

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