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Apple WebKit Denial-of-Service Vulnerability Allowing Unexpected Safari Crash

Vulnerability

A denial-of-service 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 handling, which can be exploited by processing maliciously crafted web content, leading to an unexpected crash of the Safari browser.

Impact

Exploitation of this vulnerability causes a crash of the Safari browser, disrupting the user's browsing experience.

Added: May 11, 2026, 9:24 PM
Updated: May 11, 2026, 9:24 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.