This vulnerability involves an inappropriate implementation in the DevTools component of Google Chrome before version 149.0.7827.53. An attacker who has already compromised the renderer process can exploit this flaw by delivering a crafted HTML page, enabling them to read sensitive information from process memory. The issue is classified as a use-after-free vulnerability (CWE-416). The CVSS v3.1 base score is 9.6, indicating critical severity with network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and high impact on confidentiality, integrity, and availability.

Successful exploitation allows a remote attacker with access to the renderer process to obtain sensitive information from process memory, potentially leading to significant confidentiality, integrity, and availability impacts. The vulnerability could be leveraged to escalate access or leak critical data.

Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html for current remediation guidance. No explicit patch or official fix information is provided in the available data. Users and administrators should monitor the vendor advisory for updates and apply any released patches promptly.