CVE-2023-40400
Critical
Published: 27 September 2023
Published
27 September 2023
Modified
04 November 2025
KEV Added
—
Patch
—
CVSS Score v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0159
82.0th percentile
Risk Priority
21
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2023-40400 is a critical-severity an unspecified weakness vulnerability in Apple Ipados. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 18.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-44971
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
apple
ipados
≤ 16.6
apple
iphone os
≤ 16.6
apple
macos
≤ 14.0
apple
tvos
≤ 17.0
apple
watchos
≤ 10.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.