VULNERABILITY INTELLIGENCE

CVE-2020-9990

CVSS score7.8 HIGH

EPSS probability0.25%

CISA KEVNot currently listed

Published2020-10-22

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Description

A race condition was addressed with additional validation. This issue is fixed in macOS Catalina 10.15.6. A malicious application may be able to execute arbitrary code with kernel privileges.

Weakness classification

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Primary references

product-security@apple.com — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory