Is CVE-2023-32409 being actively exploited?

Yes. CVE-2023-32409 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on May 22, 2023.

What is the CVSS score for CVE-2023-32409?

CVE-2023-32409 has a CVSS 3.1 base score of 8.6 (HIGH).

CVE-2023-32409

HIGH · CVSS 8.6CISA KEV: actively exploitedEPSS 16.5%EU EUVD: exploited

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8 and iPadOS 15.7.8, Safari 16.5, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to break out of Web Content sandbox. Apple is aware of a report that this issue may have been actively exploited.

Key facts

CVSS score: 8.6 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
EPSS score: 16.5% (97th percentile)
In CISA KEV: Yes, added May 22, 2023
In EU EUVD: Yes (EUVD-2023-36653)
Published: June 23, 2023
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Apple Multiple Products WebKit Sandbox Escape Vulnerability

Added to the KEV catalog on May 22, 2023; federal remediation due June 12, 2023.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2023-36653 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on January 12, 2026.

View on the EU Vulnerability Database

Affected products

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

Certified products that may be affected

14 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 14 in the Security Certifications Explorer.

References

https://support.apple.com/en-us/HT213757(Vendor Advisory)
https://support.apple.com/en-us/HT213758(Vendor Advisory)
https://support.apple.com/en-us/HT213761(Vendor Advisory)
https://support.apple.com/en-us/HT213762(Vendor Advisory)
https://support.apple.com/en-us/HT213764(Vendor Advisory)
https://support.apple.com/en-us/HT213842(Vendor Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32409(US Government Resource)

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

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