CVE-2026-17681 is a high-severity vulnerability in Google Chrome for Android affecting versions prior to 151.0.7922.72. The flaw resides in the Web Authentication component, where insufficient validation of untrusted input allows a remote attacker who has already compromised the renderer process to potentially escape the sandbox. Exploitation requires a crafted HTML page to trigger the vulnerability. The attack vector is remote, and the issue has been rated High by Chromium's internal security severity scale. Google has addressed the issue in Chrome 151.0.7922.72 for Android. The vulnerability is currently awaiting full analysis on the NVD. Users are advised to update their Chrome browser on Android immediately to mitigate the risk of sandbox escape attacks.