CVE-2020-27901: Apple macOS

Medium severity, CVSS 6.3. EPSS: 0.6% chance of exploitation in the next 30 days.

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. A sandboxed process may be able to circumvent sandbox restrictions.

Affected products

• Apple macOS: before 11.0.1 (fixed in 11.0.1); before 11.1.0 (fixed in 11.1.0)

Published 2021-04-02. Last modified 2026-06-17.