CVE-2023-23540

HIGH

iPadOS < 15.7.8 - Remote Code Execution with Kernel Privileges

Title source: llm

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.

References (4)

Core 4

Core 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

Scores

CVSS v3 7.8

EPSS 0.0008

EPSS Percentile 22.6%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

Status published

Products (3)

apple/ipados < 15.7.8

apple/iphone_os < 15.7.8

apple/macos < 11.7.5

Published May 08, 2023

Tracked Since Feb 18, 2026