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Apple iOS, iPadOS, macOS, tvOS, visionOS Kernel Use-After-Free Vulnerability Allowing Denial-of-Service

Vulnerability

A use-after-free vulnerability has been identified in the kernel component of Apple iOS 18.7.9, iOS 26.5, iPadOS 18.7.9, iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, tvOS 26.5, visionOS 26.5, and various models of Apple Watch. This vulnerability can lead to unexpected system termination, with potential for more severe consequences, such as corruption of kernel memory.

Impact

Exploitation of this vulnerability can cause unexpected system termination or corruption of kernel memory.

Added: May 11, 2026, 9:46 PM
Updated: May 11, 2026, 9:46 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
2.5
exploitability
3.3
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.