Google Chrome Use-After-Free Vulnerability in Service Worker Allowing Sandbox Escape

Vulnerability

A use-after-free vulnerability has been identified in the Service Worker component of Google Chrome. This issue affects versions prior to 149.0.7827.103. The vulnerability allows an attacker, who convinces a user to install a malicious extension, to potentially escape the sandbox by exploiting the crafted Chrome Extension.

Impact

Exploitation of this vulnerability could lead to a sandbox escape, allowing an attacker to execute malicious actions outside the intended restrictions.

Remediation

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

Added: Jun 9, 2026, 12:57 AM
Updated: Jun 9, 2026, 12:57 AM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
10.0
exploitability
3.6
remediation
7.7
relevance
9.4
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.