Is CVE-2023-37450 being actively exploited?

Yes. CVE-2023-37450 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on July 13, 2023.

What is the CVSS score for CVE-2023-37450?

CVE-2023-37450 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2023-37450

HIGH · CVSS 8.8CISA KEV: actively exploitedEPSS 18.9%EU EUVD: exploited

The issue was addressed with improved checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, Safari 16.5.2, tvOS 16.6, macOS Ventura 13.5, watchOS 9.6. Processing 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
EPSS score: 18.9% (97th percentile)
In CISA KEV: Yes, added July 13, 2023
In EU EUVD: Yes (EUVD-2023-41350)
Published: July 27, 2023
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Apple Multiple Products WebKit Code Execution Vulnerability

Added to the KEV catalog on July 13, 2023; federal remediation due August 3, 2023.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2023-41350 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 21, 2025.

View on the EU Vulnerability Database

Affected products

apple / ipados
apple / iphone os
apple / macos
apple / safari
apple / tvos
apple / watchos
webkitgtk / webkitgtk+

Certified products that may be affected

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

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 Apple Watch with S8 running watchOS 9.4(watchOS 9.4 (build 20T253)) ( ANSSI-CC-2023/60) - Apple Inc. - Common Criteria ANSSI-CC-2023/60 - 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
Strong Customer Authentication for Apple Pay on Mac mini with M2 and Magic keyboard with Touch ID, running macOS Ventura 13.3.1 , macOS Ventura 13.3.1 (build 22E261) ( ANSSI-CC-2023/61) - Apple Inc. - Common Criteria ANSSI-CC-2023/61 - active
Strong Customer Authentication for Apple Pay on iPhone SE (3rd generation) with A15 Bionic running iOS 16.4.1iOS 16.4.1 (build 20E252) (ANSSI-CC-2023/58) - Apple Inc. - Common Criteria ANSSI-CC-2023/58 - active

See all 16 in the Security Certifications Explorer.

References

https://security.gentoo.org/glsa/202401-04(Third Party Advisory)
https://support.apple.com/en-us/HT213826(Vendor Advisory)
https://support.apple.com/en-us/HT213841(Vendor Advisory)
https://support.apple.com/en-us/HT213843(Vendor Advisory)
https://support.apple.com/en-us/HT213846(Vendor Advisory)
https://support.apple.com/en-us/HT213848(Vendor Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-37450(US Government Resource)

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

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