CVE-2019-6223: Apple iOS and macOS Group Facetime Vulnerability

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: yes — in CISA KEV since 2021-11-03
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-03-05 · updated 2026-06-17

Description

A logic issue existed in the handling of Group FaceTime calls. The issue was addressed with improved state management. This issue is fixed in iOS 12.1.4, macOS Mojave 10.14.3 Supplemental Update. The initiator of a Group FaceTime call may be able to cause the recipient to answer.

Affected products

Apple Iphone Os: before 12.1.4 — fixed in 12.1.4
macOS: before 10.14.3 — fixed in 10.14.3

How to fix

Upgrade to a fixed version: Apple Iphone Os 12.1.4; macOS 10.14.3. Check the vendor advisory for mitigations.

References

https://support.apple.com/HT209520
https://support.apple.com/HT209521
https://support.apple.com/HT209520
https://support.apple.com/HT209521
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-6223

Get alerted when CVE-2019-6223 or the next vulnerability affects your stack