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Google Chrome Companion Privilege Escalation Vulnerability on Mac

Vulnerability

A vulnerability in the Companion feature of Google Chrome on Mac, in versions prior to 148.0.7778.96, allowed remote attackers to escalate privileges at the operating system level by sending malicious network traffic. This issue was identified as having a medium severity according to Chromium security standards.

Impact

Exploitation of this vulnerability could lead to unauthorized privilege escalation on the affected system.

Remediation

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

Added: May 6, 2026, 8:01 PM
Updated: May 6, 2026, 8:01 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
10.0
exploitability
4.0
remediation
7.7
relevance
7.6
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.