This vulnerability arises from insufficient validation of untrusted input in WebAPKs within Google Chrome on Android. A local attacker could exploit this weakness by crafting a malicious file that enables sandbox escape, potentially compromising the security boundaries of the browser environment. The affected version is prior to 151.0.7922.109. The vulnerability is classified as high severity by Chromium security. No detailed CVSS score or explicit remediation status is provided in the input data, though a vendor advisory URL is available for further reference.

If exploited, this vulnerability could allow a local attacker to escape the sandbox environment in Google Chrome on Android, potentially leading to unauthorized access or control beyond the browser's restricted context. This could compromise device security by allowing execution of malicious code outside the intended sandbox.

Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01193673229.html for current remediation guidance. Users should update to Chrome version 151.0.7922.109 or later once confirmed patched. Until then, avoid opening untrusted WebAPKs or files from untrusted sources on affected Chrome versions.