Apple macOS Kernel Denial-of-Service Vulnerability Allowing Modification of Protected File System Areas

Vulnerability

A denial-of-service vulnerability has been identified in the macOS kernel, specifically in the Sequoia 15.7.7, Sonoma 14.8.7, and Tahoe 26.5 versions. This vulnerability allows an application to disrupt system operations unexpectedly. Furthermore, it enables the modification of protected areas within the file system. The issue arises from a flaw in the kernel code, which has been removed in the latest updates.

Impact

Exploitation of this vulnerability leads to a denial-of-service condition, causing unexpected system termination.

Added: May 11, 2026, 10:08 PM
Updated: May 11, 2026, 10:08 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
2.5
exploitability
4.2
remediation
7.7
relevance
8.0
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.