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Google Chrome Dawn Cross-Origin Data Leak Vulnerability on macOS

Vulnerability

A vulnerability in the Dawn component of Google Chrome on macOS, in versions prior to 149.0.7827.103, allowed a remote attacker to leak cross-origin data. This was possible due to insufficient validation of untrusted input, which could be exploited through a crafted HTML page, by a remote attacker who had compromised the renderer process.

Impact

Exploitation of this vulnerability could lead to unauthorized cross-origin data leakage.

Remediation

Users can update to Google Chrome version 149.0.7827.103 or later to address this vulnerability.

Added: Jun 9, 2026, 12:33 AM
Updated: Jun 9, 2026, 12:33 AM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
3.3
remediation
7.7
relevance
9.3
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.