Is CVE-2024-23222 being actively exploited?

Yes. CVE-2024-23222 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on January 23, 2024.

What is the CVSS score for CVE-2024-23222?

CVE-2024-23222 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2024-23222

HIGH · CVSS 8.8CISA KEV: actively exploitedEPSS 10.6%EU EUVD: exploited

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

CVSS score: 8.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-843
EPSS score: 10.6% (96th percentile)
In CISA KEV: Yes, added January 23, 2024
In EU EUVD: Yes (EUVD-2024-20741)
Published: January 23, 2024
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Apple Multiple Products WebKit Type Confusion Vulnerability

Added to the KEV catalog on January 23, 2024; federal remediation due February 13, 2024.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2024-20741 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on April 2, 2026.

View on the EU Vulnerability Database

Affected products

apple / ipados
apple / iphone os
apple / macos
apple / safari
apple / tvos
apple / visionos

Certified products that may be affected

19 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Apple macOS 14 Sonoma - Apple Inc. - Common Criteria CCEVS-VR-VID-11584-2025 - active
Apple iPadOS 17: iPad - Apple Inc. - Common Criteria CCEVS-VR-VID-11447-2025 - active
Apple macOS 14 Sonoma: FileVault - Apple Inc. - Common Criteria CCEVS-VR-VID-11448-2025 - active
Strong Customer Authentication for Apple Pay, on MacBook Air 2022 with M2 running macOS Ventura 13.3.1 - Apple Inc. - Common Criteria 2023-9-INF-4307 - active
Strong Customer Authentication for Apple Pay on iPhone 14 Pro with A16 Bionic running iOS 16.4.1Version iOS 16.4.1 (build 20E252) ( ANSSI-CC-2023/59) - Apple Inc. - Common Criteria ANSSI-CC-2023/59 - active

See all 19 in the Security Certifications Explorer.

References

http://seclists.org/fulldisclosure/2024/Feb/6(Third Party Advisory)
http://seclists.org/fulldisclosure/2024/Jan/34(Third Party Advisory)
http://seclists.org/fulldisclosure/2024/Jan/40(Third Party Advisory)
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/US43EQFC2IS66EA2CPAZFH2RQ6WD7PKF/(Broken Link)
https://support.apple.com/en-us/118479(Release Notes, Vendor Advisory)
https://support.apple.com/en-us/120304(Release Notes, Vendor Advisory)
https://support.apple.com/en-us/120305(Release Notes, Vendor Advisory)
https://support.apple.com/en-us/120307(Release Notes, Vendor Advisory)
https://support.apple.com/en-us/120309(Release Notes, Vendor Advisory)
https://support.apple.com/en-us/120310(Release Notes, Vendor Advisory)
https://support.apple.com/en-us/120311(Release Notes, Vendor Advisory)
https://support.apple.com/en-us/120339(Release Notes, Vendor Advisory)
https://support.apple.com/en-us/126632(Release Notes, Vendor Advisory)
https://support.apple.com/en-us/HT214055(Release Notes, Vendor Advisory)
https://support.apple.com/en-us/HT214059(Release Notes, Vendor Advisory)
https://support.apple.com/en-us/HT214061(Release Notes, Vendor Advisory)
https://support.apple.com/kb/HT214055(Release Notes, Vendor Advisory)
https://support.apple.com/kb/HT214056(Release Notes, Vendor Advisory)
https://support.apple.com/kb/HT214057(Release Notes, Vendor Advisory)
https://support.apple.com/kb/HT214058(Release Notes, Vendor Advisory)
https://support.apple.com/kb/HT214059(Release Notes, Vendor Advisory)
https://support.apple.com/kb/HT214061(Release Notes, Vendor Advisory)
https://support.apple.com/kb/HT214063(Release Notes, Vendor Advisory)
https://support.apple.com/kb/HT214070(Release Notes, Vendor Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-23222(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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