{"id":"CVE-2026-121067","kind":"vulnerability","aliases":["CVE-2026-121067"],"related":[],"title":"Chrome: crafted page can spoof permission prompt UI elements","description":"UI misrepresentation in PermissionElement 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 PermissionElement lets a crafted HTML page misrepresent the browser's UI, so a user can be tricked by social engineering. Chromium rates it Medium severity.","severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","runtime"],"not_affected_if":["chrome-updated"],"how_to_check":"- Check the installed Chrome version at chrome://settings/help and compare it with the fixed release named in the sources.\n- Chrome on managed devices: check the version reported by the device management console.","fix":"- Google Chrome: move to a version at or after `157.0.8103.38`.","status":"open","published_at":"2026-11-03T21:17:11+00:00","first_seen_at":"2026-11-03T21:19:11+00:00","triaged_at":"2026-11-03T21:27:00+00:00","updated_at":"2026-11-03T21:27:00+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-11-03T21:27:00Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to a version at or after `157.0.8103.38`.","reach":"internet","title":"Chrome: crafted page can spoof permission prompt UI elements","impact":"low","summary":"A flaw in Chrome's PermissionElement lets a crafted HTML page misrepresent the browser's UI, so a user can be tricked by social engineering. Chromium rates it Medium severity.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browser","desktop"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"a user is tricked by spoofed browser UI elements","analyst_note":"","how_to_check":"- Check the installed Chrome version at chrome://settings/help and compare it with the fixed release named in the sources.\n- Chrome on managed devices: check the version reported by the device management console.","plain_action":"Update Google Chrome to version 157.0.8103.38 or later.","needs_analyst":false,"not_affected_if":["chrome-updated"],"who_is_affected":"Any desktop or mobile install of Google Chrome older than the named fixed release can be exposed when a user visits a crafted page. Exposure depends on a user being lured to the page, so the browser fleet is the thing to check. Machines already on the fixed release can skip it.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.00066,"input_tokens":4108,"output_tokens":498,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121067':12A,15A '-2026':11A,14A '157.0.8103.38':59C 'allow':60C 'attack':63C 'browser':16B,33B 'chrome':1A,17B,23B,56C 'chromium':45B,76C 'craft':2A,28B,73C 'cve':10A,13A 'desktop':18B 'element':9A,70C 'engin':44B,66C 'flaw':21B 'googl':55C 'html':29B,74C 'let':26B 'leverag':64C 'medium':48B,79C 'misrepres':31B 'misrepresent':51C 'page':3A,30B,75C 'permiss':6A 'permissionel':25B,53C 'prior':57C 'prompt':7A 'rate':46B 'remot':62C 'runtim':19B 'secur':77C 'sever':49B,78C 'social':43B,65C 'spoof':5A,68C 'trick':41B 'ui':8A,35B,50C,69C 'user':38B 'via':71C","nicknames":[],"mitigations":[],"who_affected":"Any desktop or mobile install of Google Chrome older than the named fixed release can be exposed when a user visits a crafted page. Exposure depends on a user being lured to the page, so the browser fleet is the thing to check. Machines already on the fixed release can skip it.","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","runtime"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:11+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121067","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121067","severity":null,"published_at":"2026-11-03T21:17:11+00:00","modified_at":"2026-11-03T21:17:11+00:00","first_seen_at":"2026-11-03T21:19:11+00:00","fetched_at":"2026-11-03T21:19:11+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"}