{"id":"CVE-2026-113043","kind":"vulnerability","aliases":["CVE-2026-113043"],"related":[],"title":"Chrome on iOS: use-after-free lets a crafted web page run code","description":"Use after free in iOSWeb in Google Chrome on on iOS 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 use-after-free bug in the iOSWeb component of Google Chrome on iOS lets a remote attacker run arbitrary code inside the browser sandbox through a crafted HTML page. The attacker needs the victim to open the page, and the sources do not say whether a sandbox escape is also possible.","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":["chrome","ios","other","package"],"not_affected_if":["already-updated-to-156.0.8078.47"],"how_to_check":"Open Chrome on the device, go to Settings > Google Chrome > About (or the Chrome version shown in the app settings) and read the version number; anything below 156.0.8078.47 is affected.","fix":"Update Google Chrome on iOS to 156.0.8078.47 or later from the App Store.","status":"open","published_at":"2026-10-20T22:18:55+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:37:57+00:00","updated_at":"2026-10-23T22:37:57+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:37:57Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome on iOS to 156.0.8078.47 or later from the App Store.","reach":"internet","title":"Chrome on iOS: use-after-free lets a crafted web page run code","impact":"high","summary":"A use-after-free bug in the iOSWeb component of Google Chrome on iOS lets a remote attacker run arbitrary code inside the browser sandbox through a crafted HTML page. The attacker needs the victim to open the page, and the sources do not say whether a sandbox escape is also possible.","category":"package","who_cares":["chrome","ios"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the Chrome sandbox after the user opens a page.","analyst_note":"","how_to_check":"Open Chrome on the device, go to Settings > Google Chrome > About (or the Chrome version shown in the app settings) and read the version number; anything below 156.0.8078.47 is affected.","needs_analyst":false,"not_affected_if":["already-updated-to-156.0.8078.47"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000496,"input_tokens":2945,"output_tokens":404,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113043':17A,20A '-2026':16A,19A '156.0.8078.47':93C 'allow':94C 'also':78B 'arbitrari':47B,100C 'attack':45B,59B,97C 'browser':51B 'bug':32B 'chrome':1A,22A,23B,39B,87C 'chromium':110C 'code':14A,48B,101C 'compon':36B 'craft':10A,55B,107C 'cve':15A,18A 'escap':76B 'execut':99C 'free':7A,31B,82C 'googl':38B,86C 'google':21A 'html':56B,108C 'insid':49B,102C 'io':3A,24B,41B,90C 'iosweb':35B,84C 'let':8A,42B 'medium':113C 'need':60B 'open':64B 'packag':26B 'page':12A,57B,66B,109C 'possibl':79B 'prior':91C 'remot':44B,96C 'run':13A,46B 'sandbox':52B,75B,104C 'say':72B 'secur':111C 'sever':112C 'sourc':69B 'use':5A,29B,80C 'use-after-fre':4A,28B 'via':105C 'victim':62B 'web':11A 'whether':73B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:55+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-2026-113043","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113043","severity":null,"published_at":"2026-10-20T22:18:55+00:00","modified_at":"2026-10-21T19:28:41+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"}