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Google Chrome FedCM Use-After-Free Vulnerability Allowing Arbitrary Code Execution

Vulnerability

A use-after-free vulnerability has been identified in the Federated Credential Management (FedCM) feature of Google Chrome. This vulnerability exists in versions prior to 146.0.7680.165. It allows remote attackers to execute arbitrary code within a sandboxed environment by using a crafted HTML page.

Impact

Exploitation of this vulnerability could lead to arbitrary code execution within a sandboxed environment.

Remediation

Users can update to Google Chrome version 146.0.7680.165 or later to address this vulnerability.

Added: Mar 24, 2026, 1:19 AM
Updated: Mar 24, 2026, 1:19 AM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
3.8
remediation
7.7
relevance
4.6
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.