CVE-2019-8566: Apple iPhone OS

Low severity, CVSS 3.3. EPSS: 0.7% chance of exploitation in the next 30 days.

An API issue existed in the handling of microphone data. This issue was addressed with improved validation. This issue is fixed in iOS 12.2. A malicious application may be able to access the microphone without indication to the user.

Affected products

• Apple iPhone OS: before 12.2 (fixed in 12.2)

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