CVE-2019-8757: Apple Mac OS X

Low severity, CVSS 2.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A race condition existed when reading and writing user preferences. This was addressed with improved state handling. This issue is fixed in macOS Catalina 10.15. The "Share Mac Analytics" setting may not be disabled when a user deselects the switch to share analytics.

Affected products

• Apple Mac OS X: before 10.15 (fixed in 10.15)

Published 2019-12-18. Last modified 2026-06-17.