CVE-2019-8854: Apple iPhone OS

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

A user privacy issue was addressed by removing the broadcast MAC address. This issue is fixed in macOS Catalina 10.15, watchOS 6, iOS 13, tvOS 13. A device may be passively tracked by its Wi-Fi MAC address.

Affected products

• Apple iPhone OS: before 13.2 (fixed in 13.2)
• Apple Mac OS X: before 10.15 (fixed in 10.15)
• Apple tvOS: before 13.2 (fixed in 13.2)
• Apple watchOS: before 6.0 (fixed in 6.0)

Published 2020-10-27. Last modified 2026-06-17.