{"id":"CVE-2026-126910","kind":"vulnerability","aliases":["CVE-2026-126910"],"related":[],"title":"Chrome: V8 type confusion lets a crafted web page run code","description":"Type confusion in V8 in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"A type confusion bug in the V8 JavaScript engine of Google Chrome, before 157.0.8103.78, lets a remote attacker run code inside the browser sandbox via a crafted HTML page. Chromium rates it High severity.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","runtime","v8"],"not_affected_if":["chrome-updated"],"how_to_check":"- Open Chrome's version page (chrome://version) and compare the version to `157.0.8103.78`.","fix":"- Google Chrome: `157.0.8103.78` or later","status":"open","published_at":"2026-11-11T23:17:21+00:00","first_seen_at":"2026-11-11T23:29:40+00:00","triaged_at":"2026-11-11T23:31:38+00:00","updated_at":"2026-11-11T23:31:38+00:00","category":"runtime","confidence":0.8,"triage":{"at":"2026-11-11T23:31:38Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: `157.0.8103.78` or later","reach":"internet","title":"Chrome: V8 type confusion lets a crafted web page run code","impact":"high","summary":"A type confusion bug in the V8 JavaScript engine of Google Chrome, before 157.0.8103.78, lets a remote attacker run code inside the browser sandbox via a crafted HTML page. Chromium rates it High severity.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browser","v8"],"confidence":0.8,"fix_status":"available","needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after a visit","analyst_note":"","how_to_check":"- Open Chrome's version page (chrome://version) and compare the version to `157.0.8103.78`.","plain_action":"Update Google Chrome to version 157.0.8103.78 or later: Chrome menu > Help > About Google Chrome.","product_name":"","needs_analyst":false,"not_affected_if":["chrome-updated"],"who_is_affected":"Anyone running Google Chrome older than 157.0.8103.78 who opens a malicious web page. Users of other browsers built on Chromium should check their own vendor's fix status. Systems that do not run Chrome can skip it.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000704,"input_tokens":4531,"output_tokens":502,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-126910':14A,17A '-2026':13A,16A '157.0.8103.78':35B,65C 'allow':66C 'arbitrari':72C 'attack':39B,69C 'browser':18B,44B 'bug':25B 'chrome':1A,19B,33B,62C 'chromium':51B,82C 'code':11A,41B,73C 'confus':4A,24B,57C 'craft':7A,48B,79C 'cve':12A,15A 'engin':30B 'execut':71C 'googl':32B,61C 'high':54B,85C 'html':49B,80C 'insid':42B,74C 'javascript':29B 'let':5A,36B 'page':9A,50B,81C 'prior':63C 'rate':52B 'remot':38B,68C 'run':10A,40B 'runtim':20B 'sandbox':45B,76C 'secur':83C 'sever':55B,84C 'type':3A,23B,56C 'v8':2A,21B,28B,59C 'via':46B,77C 'web':8A","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome older than 157.0.8103.78 who opens a malicious web page. Users of other browsers built on Chromium should check their own vendor's fix status. Systems that do not run Chrome can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome to version 157.0.8103.78 or later: Chrome menu > Help > About Google Chrome.","pkeys":[],"ptokens":[],"labels":["browser","chrome","high","runtime","v8"],"campaign_type":null,"search_a":"'-126910':14A,17A '-2026':13A,16A 'chrome':1A 'code':11A 'confus':4A 'craft':7A 'cve':12A,15A 'let':5A 'page':9A 'run':10A 'type':3A 'v8':2A 'web':8A","search_b":"'157.0.8103.78':35B 'attack':39B 'browser':18B,44B 'bug':25B 'chrome':19B,33B 'chromium':51B 'code':41B 'confus':24B 'craft':48B 'engin':30B 'googl':32B 'high':54B 'html':49B 'insid':42B 'javascript':29B 'let':36B 'page':50B 'rate':52B 'remot':38B 'run':40B 'runtim':20B 'sandbox':45B 'sever':55B 'type':23B 'v8':21B,28B 'via':46B","search_c":"'157.0.8103.78':65C 'allow':66C 'arbitrari':72C 'attack':69C 'chrome':62C 'chromium':82C 'code':73C 'confus':57C 'craft':79C 'execut':71C 'googl':61C 'high':85C 'html':80C 'insid':74C 'page':81C 'prior':63C 'remot':68C 'sandbox':76C 'secur':83C 'sever':84C 'type':56C 'v8':59C 'via':77C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T23:17:21+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-126910","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126910","severity":null,"published_at":"2026-11-11T23:17:21+00:00","modified_at":"2026-11-11T23:17:21+00:00","first_seen_at":"2026-11-11T23:29:40+00:00","fetched_at":"2026-11-11T23:29:40+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}