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

Vulnerability

A use-after-free vulnerability has been identified in the WebKit process model, which is used by Safari. This issue affects Safari 26, macOS Tahoe 26, iOS 26, and iPadOS 26. The vulnerability arises from improper memory management, allowing maliciously crafted web content to cause an unexpected crash in Safari.

Impact

Exploitation of this vulnerability leads to a crash of the Safari browser, causing a denial-of-service condition.

Added: Sep 15, 2025, 11:20 PM
Updated: Sep 15, 2025, 11:20 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
4.4
remediation
7.7
relevance
0.5
threat
0.0
urgency
2.9
incentive
0.8

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