{"id":"CVE-2026-121232","kind":"vulnerability","aliases":["CVE-2026-121232"],"related":[],"title":"Chrome: incorrect authorization lets a local app read sensitive information","description":"Incorrect authorization in Core in Google Chrome prior to 157.0.8103.38 allowed a local attacker leveraging social engineering to obtain sensitive information via a co-installed app. (Chromium security severity: Low)","summary":"Google Chrome before 157.0.8103.38 has an incorrect authorization flaw in its core component. A local attacker who uses social engineering and a co-installed app can obtain sensitive information.","severity":"low","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["chrome","desktop","linux","macos","runtime","windows"],"not_affected_if":["chrome-updated","no-local-attacker"],"how_to_check":"- Check the installed Chrome version in Chrome's About page or with `chrome --version`; versions below `157.0.8103.38` are affected.\n- Check whether any unexpected apps are installed on shared or managed machines.","fix":"- Google Chrome: update to `157.0.8103.38` or later.","status":"open","published_at":"2026-11-03T21:17:33+00:00","first_seen_at":"2026-11-03T21:19:28+00:00","triaged_at":"2026-11-03T21:21:16+00:00","updated_at":"2026-11-03T21:21:16+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-11-03T21:21:16Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: update to `157.0.8103.38` or later.","reach":"local","title":"Chrome: incorrect authorization lets a local app read sensitive information","impact":"low","summary":"Google Chrome before 157.0.8103.38 has an incorrect authorization flaw in its core component. A local attacker who uses social engineering and a co-installed app can obtain sensitive information.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","desktop","windows","macos","linux"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"sensitive information from the browser is read by a local app","analyst_note":"","how_to_check":"- Check the installed Chrome version in Chrome's About page or with `chrome --version`; versions below `157.0.8103.38` are affected.\n- Check whether any unexpected apps are installed on shared or managed machines.","plain_action":"Update Google Chrome to version 157.0.8103.38 or later.","needs_analyst":false,"not_affected_if":["chrome-updated","no-local-attacker"],"who_is_affected":"Any machine running Google Chrome before 157.0.8103.38 where a local attacker can get a co-installed app to run. The attack depends on social engineering to get a user to install or run that app. Managed machines that already auto-update Chrome are likely patched.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"low"},"cost_usd":0.000666,"input_tokens":4101,"output_tokens":511,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121232':13A,16A '-2026':12A,15A '157.0.8103.38':26B,62C 'allow':63C 'app':7A,48B,79C 'attack':38B,66C 'author':3A,30B,54C 'chrome':1A,17B,24B,59C 'chromium':80C 'co':46B,77C 'co-instal':45B,76C 'compon':35B 'core':34B,56C 'cve':11A,14A 'desktop':18B 'engin':42B,69C 'flaw':31B 'googl':23B,58C 'incorrect':2A,29B,53C 'inform':10A,52B,73C 'instal':47B,78C 'let':4A 'leverag':67C 'linux':19B 'local':6A,37B,65C 'low':83C 'maco':20B 'obtain':50B,71C 'prior':60C 'read':8A 'runtim':21B 'secur':81C 'sensit':9A,51B,72C 'sever':82C 'social':41B,68C 'use':40B 'via':74C 'window':22B","nicknames":[],"mitigations":[],"who_affected":"Any machine running Google Chrome before 157.0.8103.38 where a local attacker can get a co-installed app to run. The attack depends on social engineering to get a user to install or run that app. Managed machines that already auto-update Chrome are likely patched.","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":["chrome","desktop","linux","low","macos","runtime","windows"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:33+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121232","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121232","severity":null,"published_at":"2026-11-03T21:17:33+00:00","modified_at":"2026-11-03T21:17:33+00:00","first_seen_at":"2026-11-03T21:19:28+00:00","fetched_at":"2026-11-03T21:19:28+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"}