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CVE-2019-6223

High CVSS 7.5 Known exploited

Published 2019-03-05 · last changed 2026-06-17 · added to CISA KEV 2021-11-03

This one is being exploited in the wild.

CISA added CVE-2019-6223 to the Known Exploited Vulnerabilities catalog on 2021-11-03. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2019-6223, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

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.

Sources

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N