🛡️ CVE-2023-23540
🟠 CVSS 7.8 — High ✅ No Known Exploit NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 15.7.8 and iPadOS 15.7.8, macOS Monterey 12.6.4, iOS 16.4 and iPadOS 16.4, macOS Big Sur 11.7.5. An app may be able to execute arbitrary code with kernel privileges.

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2023-05-08
Updated 2026-06-08
Modified 2025-01-29
Fix URL N/A

Affected Packages

Software From version Fixed in
ipados 16.0 16.4
iphone-os 16.0 16.4
macos 12.0 12.6.4

References

Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213675
Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213676
Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213677
Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213842
Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213675
Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213676
Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213677
Release Notes, Vendor Advisory https://support.apple.com/en-us/HT213842

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