CVE-2020-27898: Apple macOS

Medium severity, CVSS 5.5. EPSS: 1% chance of exploitation in the next 30 days.

A denial of service issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1. An attacker may be able to bypass Managed Frame Protection.

Affected products

• Apple macOS: before 11.0.1 (fixed in 11.0.1)

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