{"id":"CVE-2026-121225","kind":"vulnerability","aliases":["CVE-2026-121225"],"related":[],"title":"Chrome: permissions check lets a crafted web page bypass access restrictions","description":"Incorrect authorization in Permissions in Google Chrome 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: Low)","summary":"Google Chrome before 157.0.8103.38 has an incorrect authorization flaw in its Permissions feature. A remote attacker who tricks a user into opening a crafted HTML page can bypass system access restrictions, per the NVD description, which rates Chromium security severity Low.","severity":"low","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","endpoints","runtime"],"not_affected_if":["chrome-143-or-newer-patched"],"how_to_check":"- Check the installed Chrome version in Chrome's About page or with `chrome://version`; versions below `157.0.8103.38` are listed as prior to the fix.","fix":"- Google Chrome: move to `157.0.8103.38` or later.","status":"open","published_at":"2026-11-03T21:17:32+00:00","first_seen_at":"2026-11-03T21:19:27+00:00","triaged_at":"2026-11-03T21:21:25+00:00","updated_at":"2026-11-03T21:21:25+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-11-03T21:21:25Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `157.0.8103.38` or later.","reach":"internet","title":"Chrome: permissions check lets a crafted web page bypass access restrictions","impact":"medium","summary":"Google Chrome before 157.0.8103.38 has an incorrect authorization flaw in its Permissions feature. A remote attacker who tricks a user into opening a crafted HTML page can bypass system access restrictions, per the NVD description, which rates Chromium security severity Low.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browser","desktop","endpoints"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"Attacker bypasses browser permission restrictions on the local system via crafted page","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 listed as prior to the fix.","plain_action":"Update Google Chrome to version 157.0.8103.38 or later from the browser's update menu.","needs_analyst":false,"not_affected_if":["chrome-143-or-newer-patched"],"who_is_affected":"Anyone running Google Chrome older than 157.0.8103.38 on a desktop or device where Chrome is installed. Exploitation needs the user to visit an attacker-crafted HTML page, so users who never browse untrusted sites are at lower risk. Managed fleets should confirm the Chrome build version across endpoints.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"low"},"cost_usd":0.000694,"input_tokens":4109,"output_tokens":566,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121225':14A,17A '-2026':13A,16A '157.0.8103.38':26B,73C 'access':10A,52B,84C 'allow':74C 'attack':38B,77C 'author':30B,65C 'browser':18B 'bypass':9A,50B,82C 'check':3A 'chrome':1A,19B,24B,70C 'chromium':60B,91C 'craft':6A,46B,88C 'cve':12A,15A 'descript':57B 'desktop':20B 'endpoint':21B 'engin':80C 'featur':35B 'flaw':31B 'googl':23B,69C 'html':47B,89C 'incorrect':29B,64C 'let':4A 'leverag':78C 'low':63B,94C 'nvd':56B 'open':44B 'page':8A,48B,90C 'per':54B 'permiss':2A,34B,67C 'prior':71C 'rate':59B 'remot':37B,76C 'restrict':11A,53B,85C 'runtim':22B 'secur':61B,92C 'sever':62B,93C 'social':79C 'system':51B,83C 'trick':40B 'user':42B 'via':86C 'web':7A","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome older than 157.0.8103.38 on a desktop or device where Chrome is installed. Exploitation needs the user to visit an attacker-crafted HTML page, so users who never browse untrusted sites are at lower risk. Managed fleets should confirm the Chrome build version across endpoints.","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 from the browser's update menu.","pkeys":[],"ptokens":[],"labels":["browser","chrome","desktop","endpoints","low","runtime"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:32+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121225","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121225","severity":null,"published_at":"2026-11-03T21:17:32+00:00","modified_at":"2026-11-03T21:17:32+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"}