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5.5

macOS: Sensitive kernel information may be leaked by an app

CVE-2026-43754 · published 3 months ago
Summary

An application may be able to access and reveal sensitive information about your computer's kernel. This could potentially compromise your system's security and confidentiality. To address this issue, Apple has released updates for macOS Sequoia, Sonoma, and Tahoe.

What to do
  • Update apple ios and ipados to version 18.7.10 or later.
Affected software
VendorProductAffected versions
apple macos < 14.8.8
>= 14.0, < 14.8.8
>= 15.0, < 15.7.8
>= 26.0, < 26.6
apple ios and ipados < 18.7.10
Original advisory text
This issue was addressed with improved redaction of sensitive information. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app...
This issue was addressed with improved redaction of sensitive information. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to leak sensitive kernel state.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
5.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-200Information Exposure
Timeline
Published27 Jul 2026
Updated26 Oct 2026
First seen27 Jul 2026
Sources
CVE-2026-43754 · NVD
CVE-2026-43754 · MITRE
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