CVE-2024-23222

Apple Multiple Products WebKit Type Confusion Vulnerability

High 8.8
Exploited: added to CISA KEV 23 Jan 2024

Description

A type confusion issue was addressed with improved checks. This issue is fixed in Safari 17.3, iOS 15.8.7 and iPadOS 15.8.7, iOS 16.7.5 and iPadOS 16.7.5, iOS 17.3 and iPadOS 17.3, macOS Monterey 12.7.3, macOS Sonoma 14.3, macOS Ventura 13.6.4, tvOS 17.3, visionOS 1.0.2. Processing maliciously crafted web content may lead to arbitrary code execution. This fix associated with the Coruna exploit was shipped in iOS 17.3 on January 22, 2024. This update brings that fix to devices that cannot update to the latest iOS version.

Key facts

Published: 23 Jan 2024
Last changed: 2 Apr 2026
Assigned by: apple
KEV added: 23 Jan 2024
KEV fix due: 13 Feb 2024
EPSS: 10.593% likely to be exploited in the next 30 days, higher than 95.861% of CVEs (scores for 15 Nov 2026)
SSVC (CISA): Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

8.8CVSS 3.1, Highfrom CISA (ADP container)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Vendor	Product	Versions
Apple	Safari	0 up to but excluding 17.3 (affected)
Apple	iOS and iPadOS	0 up to but excluding 15.8.7 (affected) 0 up to but excluding 16.7.5 (affected) 0 up to but excluding 17.3 (affected)
Apple	macOS	0 up to but excluding 12.7.3 (affected) 0 up to but excluding 13.6.4 (affected) 0 up to but excluding 14.3 (affected)
Apple	tvOS	0 up to but excluding 17.3 (affected)
Apple	visionOS	0 up to but excluding 1.0.2 (affected)