{"id":"CVE-2026-121216","kind":"vulnerability","aliases":["CVE-2026-121216"],"related":[],"title":"Google Chrome: UI spoofing via crafted HTML page before 157.0.8103.38","description":"UI misrepresentation in UI in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)","summary":"A flaw in Chrome's user interface lets a remote attacker spoof UI elements by serving a crafted HTML page, combined with social engineering. The sources do not state a direct code execution or data theft outcome.","severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","package"],"not_affected_if":["chrome-at-or-above-157.0.8103.38"],"how_to_check":"- Check the installed Chrome version in the browser's About page or with `chrome://version`\n- Compare against the fixed version `157.0.8103.38`","fix":"- Google Chrome: move to `157.0.8103.38` or later","status":"open","published_at":"2026-11-03T21:17:31+00:00","first_seen_at":"2026-11-03T21:19:27+00:00","triaged_at":"2026-11-03T21:22:32+00:00","updated_at":"2026-11-03T21:22:32+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-03T21:22:32Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `157.0.8103.38` or later","reach":"internet","title":"Google Chrome: UI spoofing via crafted HTML page before 157.0.8103.38","impact":"low","summary":"A flaw in Chrome's user interface lets a remote attacker spoof UI elements by serving a crafted HTML page, combined with social engineering. The sources do not state a direct code execution or data theft outcome.","audience":"everyone","category":"package","nicknames":[],"who_cares":["chrome","browser","desktop"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"attacker spoofs browser UI to deceive the user","analyst_note":"","how_to_check":"- Check the installed Chrome version in the browser's About page or with `chrome://version`\n- Compare against the fixed version `157.0.8103.38`","plain_action":"Update Google Chrome to version 157.0.8103.38 or later.","needs_analyst":false,"not_affected_if":["chrome-at-or-above-157.0.8103.38"],"who_is_affected":"Anyone running Google Chrome before 157.0.8103.38 who visits a page an attacker has crafted and can be tricked into opening it. Servers and applications that do not run a desktop browser are not exposed through this flaw.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000656,"input_tokens":4105,"output_tokens":492,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121216':13A,16A '-2026':12A,15A '157.0.8103.38':10A,67C 'allow':68C 'attack':31B,71C 'browser':17B 'chrome':2A,18B,24B,64C 'chromium':84C 'code':52B 'combin':41B 'craft':6A,38B,81C 'cve':11A,14A 'data':55B 'desktop':19B 'direct':51B 'element':34B,78C 'engin':44B,74C 'execut':53B 'flaw':22B 'googl':1A,63C 'html':7A,39B,82C 'interfac':27B 'let':28B 'leverag':72C 'medium':87C 'misrepresent':59C 'outcom':57B 'packag':20B 'page':8A,40B,83C 'prior':65C 'remot':30B,70C 'secur':85C 'serv':36B 'sever':86C 'social':43B,73C 'sourc':46B 'spoof':4A,32B,76C 'state':49B 'theft':56B 'ui':3A,33B,58C,61C,77C 'user':26B 'via':5A,79C","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome before 157.0.8103.38 who visits a page an attacker has crafted and can be tricked into opening it. Servers and applications that do not run a desktop browser are not exposed through this flaw.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome to version 157.0.8103.38 or later.","pkeys":[],"ptokens":[],"labels":["browser","chrome","desktop","medium","package"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:31+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121216","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121216","severity":null,"published_at":"2026-11-03T21:17:31+00:00","modified_at":"2026-11-03T21:17:31+00:00","first_seen_at":"2026-11-03T21:19:27+00:00","fetched_at":"2026-11-03T21:19:27+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"}