CVE-2023-23529
A type confusion issue was addressed with improved checks. This issue is fixed in iOS 15.7.4 and iPadOS 15.7.4, iOS 16.3.1 and iPadOS 16.3.1, macOS Ventura 13.2.1, Safari 16.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
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
- 9.5% (95th percentile)
- In CISA KEV
- Yes, added February 14, 2023
- In EU EUVD
- Yes (EUVD-2023-27629)
- Published
- February 27, 2023
- 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 February 14, 2023; federal remediation due March 7, 2023.
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2023-27629 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 21, 2025.
View on the EU Vulnerability DatabaseAffected products
- apple / ipados
- apple / iphone os
- apple / macos
- apple / safari
Certified products that may be affected
9 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Strong Customer Authentication pour Apple Pay sur iPhone SE (2nde génération) avec A13 Bionic exécutant iOS 15.4.1 (Version 15.4.1 (build 19E258)) - Apple Inc. - Common Criteria ANSSI-CC-2023/15 - active
- Strong Customer Authentication pour Apple Pay sur iPhone 13 avec A15 Bionic exécutant iOS 15.4.1 Version 15.4.1 (build 19E258) - Apple Inc. - Common Criteria ANSSI-CC-2023/18 - active
- Strong Customer Authentication pour Apple Pay sur iPhone SE (de seconde génération) exécutant iOS 14.5.1 Version 18E212 - Apple Inc. - Common Criteria ANSSI-CC-2022/05 - active
- Strong Customer Authentication pour Apple Pay sur iPhone (SoC A12 Bionic) exécutant iOS 14.5.1 Version 18E212 - Apple Inc. - Common Criteria ANSSI-CC-2022/04 - active
- Apple macOS 13 Ventura - Apple Inc. - Common Criteria CCEVS-VR-VID-11347-2024 - archived
See all 9 in the Security Certifications Explorer.
References
- https://support.apple.com/en-us/HT213633(Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/HT213635(Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/HT213638(Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/HT213673(Release Notes, Vendor Advisory)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23529(US Government Resource)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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