{"id":"CVE-2026-106363","published":"2026-10-06T19:18:05.287","lastModified":"2026-10-08T16:17:03.287","description":"Missing authorization in FullScreen in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)","cvssScore":8.3,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","cwes":["CWE-862"],"vendors":[],"products":[],"references":[{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","tags":[]},{"url":"https://issues.chromium.org/issues/501896592","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"Chrome's FullScreen API had a missing authorization check that allowed attackers with compromised renderer processes to bypass system access restrictions through crafted HTML pages, potentially enabling unauthorized access to system resources.","exploitability":"Exploitation requires compromising the renderer process and leveraging social engineering, making it moderately difficult but possible for attackers who already have initial access to the browser.","blast_radius":"If exploited, this vulnerability could allow attackers to gain unauthorized access to system resources and potentially escalate privileges across multiple Chrome instances.","remediation":"Upgrade to Chrome version 155.0.8059.39 or later to remediate this authorization bypass vulnerability.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["authorization","browser","chrome","fullscreen"],"model":"garnet-coder","analyzedAt":"2026-10-14T08:55:39.417Z"}}