CVE-2019-8620: Apple iPhone OS

High severity, CVSS 7.5. EPSS: 1.5% 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 iOS 12.3, tvOS 12.3, watchOS 5.2.1. A device may be passively tracked by its WiFi MAC address.

Affected products

• Apple iPhone OS: before 12.3 (fixed in 12.3)
• Apple tvOS: before 12.3 (fixed in 12.3)
• Apple watchOS: before 5.2.1 (fixed in 5.2.1)

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