{"id":"CVE-2026-113055","kind":"vulnerability","aliases":["CVE-2026-113055"],"related":[],"title":"Chrome on Android: type confusion in FullScreen lets a web page run code","description":"Type confusion in FullScreen in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"A type confusion bug in the FullScreen code of Google Chrome on Android lets a remote attacker run arbitrary code inside the browser sandbox using a crafted HTML page. The attacker needs the victim to open the page, and the sandbox limits what they get beyond that.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"google chrome","fixed":["156.0.8078.47"],"affected":"< 156.0.8078.47","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["android","chrome","package"],"not_affected_if":["chrome-version-156.0.8078.47-or-later"],"how_to_check":"Open chrome://version on the Android device and check that the version is 156.0.8078.47 or later.","fix":"Update Google Chrome on Android to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:18:56+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:37:52+00:00","updated_at":"2026-10-23T22:37:52+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-23T22:37:52Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome on Android to 156.0.8078.47 or later.","reach":"internet","title":"Chrome on Android: type confusion in FullScreen lets a web page run code","impact":"high","summary":"A type confusion bug in the FullScreen code of Google Chrome on Android lets a remote attacker run arbitrary code inside the browser sandbox using a crafted HTML page. The attacker needs the victim to open the page, and the sandbox limits what they get beyond that.","category":"package","who_cares":["chrome","android"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after the victim opens a page","analyst_note":"","how_to_check":"Open chrome://version on the Android device and check that the version is 156.0.8078.47 or later.","needs_analyst":false,"not_affected_if":["chrome-version-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000474,"input_tokens":2940,"output_tokens":359,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113055':16A,19A '-2026':15A,18A '156.0.8078.47':83C 'allow':84C 'android':3A,22B,37B,80C 'arbitrari':43B,90C 'attack':41B,55B,87C 'beyond':70B 'browser':47B 'bug':28B 'chrome':1A,21A,23B,35B,77C 'chromium':100C 'code':13A,32B,44B,91C 'confus':5A,27B,72C 'craft':51B,97C 'cve':14A,17A 'execut':89C 'fullscreen':7A,31B,74C 'get':69B 'googl':34B,76C 'google':20A 'html':52B,98C 'insid':45B,92C 'let':8A,38B 'limit':66B 'medium':103C 'need':56B 'open':60B 'packag':24B 'page':11A,53B,62B,99C 'prior':81C 'remot':40B,86C 'run':12A,42B 'sandbox':48B,65B,94C 'secur':101C 'sever':102C 'type':4A,26B,71C 'use':49B 'via':95C 'victim':58B 'web':10A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:56+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113055","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113055","severity":null,"published_at":"2026-10-20T22:18:56+00:00","modified_at":"2026-10-21T19:29:45+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","fetched_at":"2026-10-23T22:28:59+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}