{"id":"CVE-2026-113236","kind":"vulnerability","aliases":["CVE-2026-113236"],"related":[],"title":"Chrome on iOS: use-after-free in navigation lets a web page run code","description":"Use after free in Navigation 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: High)","summary":"Google Chrome on iOS before 156.0.8078.47 has a use-after-free bug in its navigation code. A remote attacker who gets a user to open a crafted HTML page can execute arbitrary code inside the browser sandbox.","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"],"not_affected_if":["chrome-not-installed"],"how_to_check":"On an iPhone or iPad, open Chrome, go to the menu, then Settings, then Google Chrome, and check the version is 156.0.8078.47 or later.","fix":"Update Google Chrome on iOS to 156.0.8078.47 or later from the App Store.","status":"open","published_at":"2026-10-20T22:19:16+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:55+00:00","updated_at":"2026-10-23T22:35:55+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-10-23T22:35:55Z","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 in navigation lets a web page run code","impact":"medium","summary":"Google Chrome on iOS before 156.0.8078.47 has a use-after-free bug in its navigation code. A remote attacker who gets a user to open a crafted HTML page can execute arbitrary code inside the browser sandbox.","category":"other","who_cares":["chrome","ios"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after a user opens a crafted page","analyst_note":"","how_to_check":"On an iPhone or iPad, open Chrome, go to the menu, then Settings, then Google Chrome, and check the version is 156.0.8078.47 or later.","needs_analyst":false,"not_affected_if":["chrome-not-installed"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000478,"input_tokens":2939,"output_tokens":368,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113236':18A,21A '-2026':17A,20A '156.0.8078.47':31B,77C 'allow':78C 'arbitrari':58B,84C 'attack':45B,81C 'browser':62B 'bug':38B 'chrome':1A,23A,24B,27B,71C 'chromium':94C 'code':15A,42B,59B,85C 'craft':53B,91C 'cve':16A,19A 'execut':57B,83C 'free':7A,37B,66C 'get':47B 'googl':26B,70C 'google':22A 'high':97C 'html':54B,92C 'insid':60B,86C 'io':3A,25B,29B,74C 'let':10A 'navig':9A,41B,68C 'open':51B 'page':13A,55B,93C 'prior':75C 'remot':44B,80C 'run':14A 'sandbox':63B,88C 'secur':95C 'sever':96C 'use':5A,35B,64C 'use-after-fre':4A,34B 'user':49B 'via':89C 'web':12A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:16+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-2026-113236","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113236","severity":null,"published_at":"2026-10-20T22:19:16+00:00","modified_at":"2026-10-22T14:04:17+00:00","first_seen_at":"2026-10-23T21:57:24+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"}