{"id":"CVE-2026-113246","kind":"vulnerability","aliases":["CVE-2026-113246"],"related":[],"title":"Google Chrome on iOS: memory corruption lets crafted web page read sandboxed memory","description":"Memory corruption in iOSWebView in Google Chrome on on iOS prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"A memory corruption flaw in the iOSWebView component of Google Chrome on iOS lets a remote attacker read memory inside the sandbox when a victim opens a crafted HTML page. The sources rate it Medium and do not report active exploitation.","severity":"medium","cvss":6.5,"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","mobile-users","vendor"],"not_affected_if":["up-to-date-chrome-on-ios"],"how_to_check":"- Open Chrome on iOS and check the version under Settings, then About Chrome, or run `chrome://version`\n- Confirm whether the installed version is below `156.0.8078.47`","fix":"- Update Google Chrome on iOS to `156.0.8078.47` or later through the App Store","status":"open","published_at":"2026-10-20T22:19:18+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-25T03:53:00+00:00","updated_at":"2026-10-25T03:53:00+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T03:53:00Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome on iOS to `156.0.8078.47` or later through the App Store","reach":"internet","title":"Google Chrome on iOS: memory corruption lets crafted web page read sandboxed memory","impact":"low","summary":"A memory corruption flaw in the iOSWebView component of Google Chrome on iOS lets a remote attacker read memory inside the sandbox when a victim opens a crafted HTML page. The sources rate it Medium and do not report active exploitation.","category":"vendor","nicknames":[],"who_cares":["ios","chrome","mobile-users"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker reads sandboxed process memory after the victim loads a crafted page","analyst_note":"","how_to_check":"- Open Chrome on iOS and check the version under Settings, then About Chrome, or run `chrome://version`\n- Confirm whether the installed version is below `156.0.8078.47`","needs_analyst":false,"not_affected_if":["up-to-date-chrome-on-ios"],"who_is_affected":"Users of Google Chrome on iOS older than `156.0.8078.47` who browse untrusted web pages are exposed. The sources do not describe any server-side or developer-facing configuration that changes exposure, so teams that only ship their own apps without embedding this component should check whether they use it.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000589,"input_tokens":3345,"output_tokens":509,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113246':16A,19A '-2026':15A,18A '156.0.8078.47':81C 'activ':67B 'allow':82C 'attack':44B,85C 'chrome':2A,21A,22B,38B,75C 'chromium':98C 'compon':35B 'corrupt':6A,30B,70C 'craft':8A,55B,95C 'cve':14A,17A 'exploit':68B 'flaw':31B 'googl':1A,37B,74C 'google':20A 'html':56B,96C 'insid':47B,90C 'io':4A,23B,40B,78C 'ioswebview':34B,72C 'let':7A,41B 'medium':62B,101C 'memori':5A,13A,29B,46B,69C,89C 'mobil':25B 'mobile-us':24B 'open':53B 'page':10A,57B,97C 'potenti':87C 'prior':79C 'rate':60B 'read':11A,45B,88C 'remot':43B,84C 'report':66B 'sandbox':12A,49B,92C 'secur':99C 'sever':100C 'sourc':59B 'user':26B 'vendor':27B 'via':93C 'victim':52B 'web':9A","nicknames":[],"mitigations":[],"who_affected":"Users of Google Chrome on iOS older than `156.0.8078.47` who browse untrusted web pages are exposed. The sources do not describe any server-side or developer-facing configuration that changes exposure, so teams that only ship their own apps without embedding this component should check whether they use it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:18+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113246","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113246","severity":null,"published_at":"2026-10-20T22:19:18+00:00","modified_at":"2026-10-22T12:08:52+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"}