CVE-2023-40399
The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and...
The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. An app may be able to disclose kernel memory.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. An app may be able to disclose kernel memory.
- Record
CVE-2023-40399- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
CVE ListNo score
The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. An app may be able to disclose kernel memory.
- Record
CVE-2023-40399- Updated
- 2026-11-02
EUVDEUVD-2023-44970No score
The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. An app may be able to disclose kernel memory.
- Record
EUVD-2023-44970- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xfcx-4xxp-5c2v
The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and...
The issue was addressed with improved memory handling. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. An app may be able to disclose kernel memory.
- Record
GHSA-xfcx-4xxp-5c2v- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-40399 is a medium vulnerability (CVSS 5.5) in Apple Ipados, published September 26, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 25th percentile. No source names a fixed version.