{"id":"CVE-2026-121164","kind":"vulnerability","aliases":["CVE-2026-121164"],"related":[],"title":"Chrome on Mac: flawed Views authorization lets crafted pages bypass access limits","description":"Incorrect authorization in Views in Google Chrome on on Mac prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)","summary":"Google Chrome on macOS prior to 157.0.8103.38 has an authorization flaw in its Views component. A remote attacker who tricks a user into opening a crafted HTML page can bypass some system access restrictions.","severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","macos","runtime"],"not_affected_if":["chrome-up-to-date","non-mac-platform"],"how_to_check":"- Check the installed Chrome version in Chrome's About page or with `google-chrome --version` on Linux; on macOS, check Chrome > About Google Chrome.\n- Compare the result against `157.0.8103.38`.","fix":"- Google Chrome on Mac: move to `157.0.8103.38` or later.","status":"open","published_at":"2026-11-03T21:17:24+00:00","first_seen_at":"2026-11-03T21:19:23+00:00","triaged_at":"2026-11-03T21:23:24+00:00","updated_at":"2026-11-03T21:23:24+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-11-03T21:23:24Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome on Mac: move to `157.0.8103.38` or later.","reach":"internet","title":"Chrome on Mac: flawed Views authorization lets crafted pages bypass access limits","impact":"medium","summary":"Google Chrome on macOS prior to 157.0.8103.38 has an authorization flaw in its Views component. A remote attacker who tricks a user into opening a crafted HTML page can bypass some system access restrictions.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","macos","browser"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"attacker bypasses system access restrictions via crafted page","analyst_note":"","how_to_check":"- Check the installed Chrome version in Chrome's About page or with `google-chrome --version` on Linux; on macOS, check Chrome > About Google Chrome.\n- Compare the result against `157.0.8103.38`.","plain_action":"Update Google Chrome on your Mac to version 157.0.8103.38 or later.","needs_analyst":false,"not_affected_if":["chrome-up-to-date","non-mac-platform"],"who_is_affected":"Any Mac running Google Chrome older than 157.0.8103.38 is exposed when a user visits a crafted HTML page. Machines that do not run Chrome on macOS are not affected. The sources do not describe further configuration conditions.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.00068,"input_tokens":4112,"output_tokens":538,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121164':15A,18A '-2026':14A,17A '157.0.8103.38':29B,69C 'access':11A,55B,80C 'allow':70C 'attack':40B,73C 'author':6A,32B,58C 'browser':19B 'bypass':10A,52B,78C 'chrome':1A,20B,24B,63C 'chromium':87C 'compon':37B 'craft':8A,48B,84C 'cve':13A,16A 'engin':76C 'flaw':4A,33B 'googl':23B,62C 'html':49B,85C 'incorrect':57C 'let':7A 'leverag':74C 'limit':12A 'mac':3A,66C 'maco':21B,26B 'medium':90C 'open':46B 'page':9A,50B,86C 'prior':27B,67C 'remot':39B,72C 'restrict':56B,81C 'runtim':22B 'secur':88C 'sever':89C 'social':75C 'system':54B,79C 'trick':42B 'user':44B 'via':82C 'view':5A,36B,60C","nicknames":[],"mitigations":[],"who_affected":"Any Mac running Google Chrome older than 157.0.8103.38 is exposed when a user visits a crafted HTML page. Machines that do not run Chrome on macOS are not affected. The sources do not describe further configuration conditions.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome on your Mac to version 157.0.8103.38 or later.","pkeys":[],"ptokens":[],"labels":["browser","chrome","macos","medium","runtime"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:24+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121164","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121164","severity":null,"published_at":"2026-11-03T21:17:24+00:00","modified_at":"2026-11-03T21:17:24+00:00","first_seen_at":"2026-11-03T21:19:23+00:00","fetched_at":"2026-11-03T21:19:23+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"}