CVE-2020-27903: Apple macOS

High severity, CVSS 7.8. EPSS: 1.2% chance of exploitation in the next 30 days.

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Big Sur 11.0.1. An application may be able to gain elevated privileges.

Affected products

• Apple macOS: from 11.0, before 11.0.1 (fixed in 11.0.1)

Published 2020-12-08. Last modified 2026-06-17.