CVE-2025-6191

Google · Chrome

An integer overflow vulnerability in the V8 JavaScript engine of Google Chrome may lead to arbitrary code execution.

Executive summary

An integer overflow flaw in the Google Chrome V8 engine presents a high risk of remote code execution for unauthenticated users.

Vulnerability

This vulnerability involves an integer overflow condition within the V8 JavaScript engine. An unauthenticated attacker can exploit this via malicious web content to corrupt memory and potentially execute arbitrary code within the context of the browser.

Business impact

The CVSS score of 8.8 reflects the critical nature of V8 engine vulnerabilities, which are frequent targets for browser-based exploitation. Compromise of the browser environment often serves as an initial access vector for further movement within the internal network, threatening sensitive corporate data.

Remediation

Immediate Action: Update all Google Chrome installations to the latest secure version immediately.

Proactive Monitoring: Review security logs for indicators of memory corruption or anomalous heap activity within browser processes.

Compensating Controls: Utilize browser-based security policies or enterprise management tools to restrict potentially dangerous scripting behaviors until patches are applied.

Exploitation status

Public Exploit Available: false

Analyst recommendation

V8 vulnerabilities are highly dangerous and frequently weaponized. IT teams should treat this as a top-priority update to ensure that all endpoints are protected against potential remote code execution attacks.