{"id":"CVE-2026-126888","kind":"vulnerability","aliases":["CVE-2026-126888"],"related":[],"title":"Chrome: buffer overflow in Turbolev lets crafted web page run code","description":"Buffer overflow in Turbolev 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 buffer overflow in the Turbolev component of Google Chrome before 157.0.8103.78 can be triggered by a crafted HTML page. A remote attacker can execute arbitrary code inside the browser sandbox.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["chrome","desktop-browsers","end-users","runtime"],"not_affected_if":["chrome-157.0.8103.78-or-later"],"how_to_check":"- Check the installed Chrome version in the browser's About page or with `chrome --version`","fix":"- Google Chrome: move to `157.0.8103.78` or later","status":"open","published_at":"2026-11-11T23:17:18+00:00","first_seen_at":"2026-11-11T23:29:39+00:00","triaged_at":"2026-11-11T23:32:03+00:00","updated_at":"2026-11-11T23:32:03+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-11-11T23:32:03Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `157.0.8103.78` or later","reach":"internet","title":"Chrome: buffer overflow in Turbolev lets crafted web page run code","impact":"high","summary":"A buffer overflow in the Turbolev component of Google Chrome before 157.0.8103.78 can be triggered by a crafted HTML page. A remote attacker can execute arbitrary code inside the browser sandbox.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","desktop-browsers","end-users"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Code runs inside the browser sandbox after visiting a crafted page","analyst_note":"Confirm the fixed Chrome version and whether other Chromium browsers ship the same Turbolev fix, using the Chrome release notes and the NVD entry.","how_to_check":"- Check the installed Chrome version in the browser's About page or with `chrome --version`\n- Unknown whether other Chromium-based browsers are covered by this entry","plain_action":"Update Google Chrome to version 157.0.8103.78 or later.","product_name":"","needs_analyst":true,"not_affected_if":["chrome-157.0.8103.78-or-later"],"who_is_affected":"Anyone running Google Chrome older than 157.0.8103.78 who visits a malicious or compromised web page. Users on current Chrome builds are not affected. Other Chromium browsers may depend on their own patch timing, which the sources do not state.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000744,"input_tokens":4538,"output_tokens":581,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-126888':14A,17A '-2026':13A,16A '157.0.8103.78':37B,66C 'allow':67C 'arbitrari':51B,73C 'attack':48B,70C 'browser':21B,55B 'buffer':2A,27B,57C 'chrome':1A,18B,35B,63C 'chromium':83C 'code':11A,52B,74C 'compon':32B 'craft':7A,43B,80C 'cve':12A,15A 'desktop':20B 'desktop-brows':19B 'end':23B 'end-us':22B 'execut':50B,72C 'googl':34B,62C 'high':86C 'html':44B,81C 'insid':53B,75C 'let':6A 'overflow':3A,28B,58C 'page':9A,45B,82C 'prior':64C 'remot':47B,69C 'run':10A 'runtim':25B 'sandbox':56B,77C 'secur':84C 'sever':85C 'trigger':40B 'turbolev':5A,31B,60C 'user':24B 'via':78C 'web':8A","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome older than 157.0.8103.78 who visits a malicious or compromised web page. Users on current Chrome builds are not affected. Other Chromium browsers may depend on their own patch timing, which the sources do not state.","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.","pkeys":[],"ptokens":[],"labels":["chrome","desktopbrowsers","endusers","high","runtime"],"campaign_type":null,"search_a":"'-126888':14A,17A '-2026':13A,16A 'buffer':2A 'chrome':1A 'code':11A 'craft':7A 'cve':12A,15A 'let':6A 'overflow':3A 'page':9A 'run':10A 'turbolev':5A 'web':8A","search_b":"'157.0.8103.78':37B 'arbitrari':51B 'attack':48B 'browser':21B,55B 'buffer':27B 'chrome':18B,35B 'code':52B 'compon':32B 'craft':43B 'desktop':20B 'desktop-brows':19B 'end':23B 'end-us':22B 'execut':50B 'googl':34B 'html':44B 'insid':53B 'overflow':28B 'page':45B 'remot':47B 'runtim':25B 'sandbox':56B 'trigger':40B 'turbolev':31B 'user':24B","search_c":"'157.0.8103.78':66C 'allow':67C 'arbitrari':73C 'attack':70C 'buffer':57C 'chrome':63C 'chromium':83C 'code':74C 'craft':80C 'execut':72C 'googl':62C 'high':86C 'html':81C 'insid':75C 'overflow':58C 'page':82C 'prior':64C 'remot':69C 'sandbox':77C 'secur':84C 'sever':85C 'turbolev':60C 'via':78C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T23:17:18+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-126888","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126888","severity":null,"published_at":"2026-11-11T23:17:18+00:00","modified_at":"2026-11-11T23:17:18+00:00","first_seen_at":"2026-11-11T23:29:39+00:00","fetched_at":"2026-11-11T23:29:39+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"}