What the vulnerability does

01Description

Insufficient validation of untrusted input in Reading Mode in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

Key dates

02Disclosure timeline

June 4, 2026 CVE published
June 5, 2026 Record updated