CVE-2026-8551

Google · Chrome

A use-after-free vulnerability in the Downloads component of Google Chrome allows for potential arbitrary code execution.

Executive summary

A critical use-after-free vulnerability in the Google Chrome Downloads component presents a high risk of remote code execution.

Vulnerability

The vulnerability is a use-after-free memory flaw within the browser's Downloads manager. An unauthenticated remote attacker can trigger this condition through a crafted malicious download or interaction.

Business impact

The CVSS score of 8.8 underscores the severity of this vulnerability. If exploited, an attacker could gain control over the browser environment, potentially leading to unauthorized data access and the execution of arbitrary payloads on the host machine.

Remediation

Immediate Action: Apply the vendor-provided security update by upgrading to Google Chrome version 148 or later.

Proactive Monitoring: Monitor for unusual file system activity or unexpected browser behavior related to download processes.

Compensating Controls: Deploy endpoint security solutions that scan downloaded files and monitor for anomalous process execution.

Exploitation status

Public Exploit Available: false

Analyst recommendation

This vulnerability requires immediate attention to prevent potential system compromise. IT administrators should prioritize the deployment of the latest Chrome browser update across the enterprise to ensure all users are protected against this exploit vector.