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Apple WebKit Use-After-Free Vulnerability Leading to Safari Crash

Vulnerability

A use-after-free vulnerability has been identified in the WebKit component of multiple Apple operating systems, including iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS, all version 26.5. This vulnerability arises from improper memory management, which can be exploited by processing maliciously crafted web content, potentially causing an unexpected crash in the Safari browser.

Impact

Exploitation of this vulnerability leads to a crash of the Safari browser.

Added: May 11, 2026, 9:58 PM
Updated: May 11, 2026, 9:58 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
4.4
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.