CVE-2026-14027
Google · Chrome
A use-after-free vulnerability in the SignIn component of Google Chrome could allow an unauthenticated attacker to execute arbitrary code.
Executive summary
A critical use-after-free vulnerability located within the SignIn component of Google Chrome represents a severe risk to user authentication security and system integrity.
Vulnerability
This vulnerability involves a use-after-free error within the SignIn component of the browser. This flaw allows an unauthenticated remote attacker to corrupt memory and potentially execute arbitrary code by enticing a user to interact with a malicious resource.
Business impact
Exploitation of this vulnerability could lead to the hijacking of browser sessions or the compromise of user credentials managed through the SignIn component. With a CVSS score of 8.8, this vulnerability poses a high risk to both the privacy of the individual user and the overall security posture of the organization's network.
Remediation
Immediate Action: Apply the latest security updates provided by Google to reach version 150 or later immediately.
Proactive Monitoring: Monitor network traffic for unusual authentication-related requests and review browser logs for signs of unauthorized interactions or session resets.
Compensating Controls: Deploy web filtering solutions to block access to known malicious domains that could be used to host exploits targeting browser components.
Exploitation status
Public Exploit Available: false
Analyst recommendation
Maintaining browser security is a fundamental aspect of organizational defense. Given the high CVSS score, it is imperative that all affected Google Chrome instances are updated to version 150 or higher to protect against potential exploitation of the SignIn component.