CVE-2023-40396 json
The issue was addressed with improved memory handling.
published 2024-07-29 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44967
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
The issue was addressed with improved memory handling. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17. An app may be able to execute arbitrary code with kernel privileges.
Patch / fix
- Apple iOS and iPadOS 17
- Apple tvOS 17
- Apple macOS 14
- Apple watchOS 10
- apple ios 17.0
- apple ipad_os 17.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Apple iOS and iPadOS
- Apple tvOS
- Apple macOS
- Apple watchOS
- apple ios
- apple ipad_os
Classification
- Weakness
-
- CWE-77 Improper Neutralization of Special Elements used in a Command
References
-
support.apple.com
/en-us/HT213938
vendor-advisory
-
support.apple.com
/en-us/HT213936
vendor-advisory
-
support.apple.com
/en-us/HT213940
vendor-advisory
-
support.apple.com
/en-us/HT213937
vendor-advisory
Sources
- CVE List CVE-2023-40396
- NVD CVE-2023-40396
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.