This vulnerability involves a use-after-free condition in the Browser component of Google Chrome before version 149.0.7827.155. Exploitation requires that the attacker has already compromised the renderer process. By leveraging this flaw via a crafted HTML page, the attacker could potentially perform a sandbox escape, which would allow execution of code outside the intended restricted environment. The issue is classified with a high security severity and a CVSS v3.1 score of 8.3, indicating significant impact on confidentiality, integrity, and availability.

Successful exploitation could allow an attacker with control over the renderer process to escape the sandbox, potentially leading to full compromise of the affected system. The vulnerability impacts confidentiality, integrity, and availability at a high level.

A fix is available in Google Chrome version 149.0.7827.155. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html for detailed patch information.