CVE-2026-19556

8.8

Google · Chrome

A use-after-free vulnerability exists in the V8 JavaScript engine of Google Chrome, which could allow a remote attacker to execute arbitrary code via a specially crafted webpage.

Executive summary

A high-severity use-after-free vulnerability in the Google Chrome V8 engine could allow an attacker to achieve remote code execution.

Vulnerability

This is a use-after-free vulnerability within the V8 JavaScript engine. An attacker can trigger this condition through a malicious webpage, potentially leading to memory corruption and subsequent execution of arbitrary code in the context of the browser process.

Business impact

Successful exploitation can lead to a complete compromise of the user's browser environment. Given the 8.8 CVSS score, this poses a risk of data theft, unauthorized tracking, or the deployment of malware on the end-user's workstation, potentially facilitating further network penetration.

Remediation

Immediate Action: Update Google Chrome to the latest stable release immediately to ensure the V8 engine vulnerability is patched.

Proactive Monitoring: Utilize endpoint detection and response tools to monitor for suspicious browser process behavior or unexpected crashes that may indicate exploitation attempts.

Compensating Controls: Deploy browser-based security policies that restrict script execution or utilize enterprise browser management settings to force timely updates across the organization.

Exploitation status

Public Exploit Available: Unknown

Analyst recommendation

Browser-based vulnerabilities remain a primary entry point for modern attacks. Organizations must ensure that all client systems are updated to the latest version of Chrome to mitigate the risk of memory corruption attacks targeting the V8 engine.

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