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Google Chrome MHTML Cross-Origin Data Leakage Vulnerability

Vulnerability

A vulnerability in Google Chrome's MHTML implementation, affecting versions prior to 148.0.7778.96, allowed remote attackers to leak cross-origin data. This was achieved by convincing users to perform specific UI gestures while interacting with a crafted MHTML page.

Impact

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

Remediation

Users can update to Google Chrome version 148.0.7778.96 or later to address this vulnerability.

Added: May 6, 2026, 7:20 PM
Updated: May 6, 2026, 7:20 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
4.2
remediation
7.7
relevance
7.2
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.