CVE-2026-4457

8.8

Google · Chrome

A type confusion vulnerability in the V8 engine of Google Chrome allows a remote attacker to trigger heap corruption via a specially crafted HTML page.

Executive summary

A critical type confusion vulnerability in the Google Chrome V8 engine exposes users to potential heap corruption and remote code execution if a malicious HTML page is accessed.

Vulnerability

This vulnerability resides in the V8 JavaScript engine, where a type confusion flaw permits an unauthenticated remote attacker to cause heap corruption. The attack requires user interaction, specifically convincing a user to navigate to a crafted HTML page.

Business impact

The exploitation of this vulnerability could lead to a complete compromise of the browser environment, potentially allowing for arbitrary code execution on the underlying system. With a CVSS score of 8.8, this flaw represents a high-severity risk that could facilitate unauthorized data access, system instability, or the installation of malicious software, severely impacting organizational security and data integrity.

Remediation

Immediate Action: Update all Google Chrome instances to version 146.0.7680.153 or later immediately to incorporate the necessary security patches.

Proactive Monitoring: Review web proxy and endpoint security logs for traffic patterns associated with suspicious web navigation or unusual browser process behavior.

Compensating Controls: While browser-level patches are the primary defense, utilize endpoint protection platforms to monitor for unauthorized child processes spawned by the Chrome browser.

Exploitation status

Public Exploit Available: Unknown

Analyst recommendation

Given the high CVSS score and the prevalence of browser-based attacks, this vulnerability poses a significant risk to end-user workstations. Organizations should prioritize the deployment of the Chrome security update across all enterprise devices to mitigate the risk of remote exploitation.

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