CVE-2026-12451 is a use-after-free vulnerability in the DigitalCredentials module of Google Chrome versions prior to 149.0.7827.155. Exploitation requires prior compromise of the renderer process and could lead to sandbox escape via a crafted HTML page. The vulnerability is publicly disclosed and assigned a high severity level by the Chromium project. No official remediation level or patch status is explicitly stated in the provided data, but a vendor advisory URL is available for further details.

If exploited, this vulnerability could allow an attacker with control over the renderer process to escape the Chrome sandbox, potentially leading to execution of arbitrary code outside the sandbox environment. This elevates the attacker's privileges and increases the risk of system compromise. There are no known exploits in the wild at the time of this report.

Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html for current remediation guidance. Users and administrators should monitor this advisory for updates and apply any official fixes once available.