CVE-2026-5274

8.8

Google · Chrome

An integer overflow vulnerability in Google Chrome Codecs allows remote attackers to execute arbitrary read and write operations via a crafted HTML page.

Executive summary

A critical integer overflow vulnerability in Google Chrome allows remote attackers to compromise user systems through malicious web content.

Vulnerability

This is an integer overflow flaw (CWE-472) located within the Codecs component of the browser. The vulnerability can be triggered by an unauthenticated remote attacker who lures a user to a crafted HTML page.

Business impact

Successful exploitation of this vulnerability allows a remote attacker to perform arbitrary read and write operations on the affected system. Given the CVSS score of 8.8, this poses a significant risk to data confidentiality and integrity, potentially leading to full system compromise if chained with other exploits. Organizations must address this risk to prevent unauthorized access to sensitive user data and corporate assets.

Remediation

Immediate Action: Update Google Chrome to the latest stable version as specified in the official Google Chrome security release notes.

Proactive Monitoring: Monitor browser logs and endpoint security telemetry for unusual process behavior or unexpected crash reports associated with the Chrome rendering engine.

Compensating Controls: Ensure that endpoint protection software is active and configured to block known malicious domains and unauthorized script execution.

Exploitation status

Public Exploit Available: Unknown.

Analyst recommendation

The severity of this flaw necessitates immediate attention. Security teams should prioritize the deployment of the latest Chrome browser updates across all managed endpoints to neutralize this risk. Failure to patch may expose users to remote code execution or arbitrary data access via standard web browsing activities.

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