CVE-2026-11648

Google · Chrome

A use-after-free vulnerability exists in the FullScreen component of Google Chrome on Windows, potentially allowing memory corruption or arbitrary code execution.

Executive summary

A critical use-after-free vulnerability in Google Chrome on Windows poses a significant risk of memory corruption and potential system compromise.

Vulnerability

This is a use-after-free vulnerability located within the FullScreen functionality of the browser. It typically requires a user to interact with malicious web content to trigger the flaw.

Business impact

With a CVSS score of 8.8, this vulnerability is classified as High severity. Successful exploitation could allow an attacker to execute arbitrary code within the context of the browser, potentially leading to unauthorized data access, malware installation, or persistent system compromise, posing a severe threat to endpoint security.

Remediation

Immediate Action: Update Google Chrome to version 149 or later immediately to resolve the vulnerable memory management state.

Proactive Monitoring: Monitor browser-related crash logs and endpoint security telemetry for suspicious process behavior originating from the browser.

Compensating Controls: Ensure endpoint detection and response (EDR) solutions are active to identify and block post-exploitation activities such as shellcode execution.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Given the prevalence of Chrome in enterprise environments, the risk of browser-based attacks is substantial. Security teams must prioritize updating all Windows-based Chrome installations to version 149 or higher to eliminate this high-severity vector.