CVE-2026-17670 is a high-severity use-after-free vulnerability in the Views component of Google Chrome. It affects versions prior to 151.0.7922.72 and allows a remote attacker who has already compromised the renderer process to potentially escape the browser sandbox. Exploitation requires delivering a crafted HTML page to the victim. The vulnerability is classified as High severity by the Chromium security team. A fix has been released in Chrome stable channel version 151.0.7922.72. This type of vulnerability is particularly dangerous as sandbox escapes can lead to full system compromise. The issue is tracked under Chromium bug tracker issue 513228974. Users are advised to update their Chrome browser immediately to the patched version.