CVE-2026-9887
8.8Google · Chrome
A use-after-free vulnerability in the Proxy component of Google Chrome may allow for arbitrary code execution through malicious web content.
Executive summary
A use-after-free vulnerability in the Google Chrome Proxy component could lead to arbitrary code execution, requiring immediate browser updates.
Vulnerability
This vulnerability is a use-after-free (CWE-416) within the Proxy handling logic of Google Chrome. While the attack vector is local, it requires user interaction and is typically triggered by a user visiting a crafted URL.
Business impact
Exploitation of this vulnerability allows an attacker to manipulate the browser’s memory state, potentially leading to privilege escalation or arbitrary code execution. Given the 8.8 CVSS score, the impact to system integrity and data confidentiality is significant.
Remediation
Immediate Action: Update Google Chrome to version 148.0.7778.216 or later to resolve this vulnerability.
Proactive Monitoring: Monitor for unusual network traffic or proxy-related crashes in browser logs.
Compensating Controls: Use browser-level security policies to restrict access to potentially untrusted or high-risk web content.
Exploitation status
Public Exploit Available: False
Analyst recommendation
Organizations should ensure that their browser update cadence is strictly maintained. The availability of a patch necessitates immediate deployment to protect against potential exploitation of the Proxy component.