CVE-2023-40400

9.8 criticalEPSS 1.8%

Critical (9.8) in apple. EPSS 1.8% chance of exploitation in the next 30 days.

This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. A remote user may cause an unexpected app termination or arbitrary code execution.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
Published: 2023-09-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:ipados
apple:iphone_os
apple:macos
apple:tvos
apple:watchos

References

http://seclists.org/fulldisclosure/2023/Oct/10
http://seclists.org/fulldisclosure/2023/Oct/3
http://seclists.org/fulldisclosure/2023/Oct/8
http://seclists.org/fulldisclosure/2023/Oct/9
https://support.apple.com/en-us/HT213936

Check your stack JSON