{"id":"CVE-2026-76030","kind":"vulnerability","aliases":["CVE-2026-76030"],"related":[],"title":"Chrome: memory corruption in FileSystem lets crafted web page run code","description":"Memory corruption in FileSystem in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"A memory corruption bug in the FileSystem component of Google Chrome before 156.0.8078.79 lets a remote attacker run code inside the browser sandbox by serving a crafted HTML page. Chromium rates it High severity.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","mobile","package"],"not_affected_if":["chrome-updated"],"how_to_check":"- Check the installed Chrome version: `chrome://settings/help` or the Help menu in Chrome.\n- Confirm the version is below `156.0.8078.79`.","fix":"- Google Chrome: move to `156.0.8078.79` or later.","status":"open","published_at":"2026-10-30T01:16:47+00:00","first_seen_at":"2026-10-30T01:27:59+00:00","triaged_at":"2026-10-30T01:29:43+00:00","updated_at":"2026-10-30T01:29:43+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-30T01:29:43Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `156.0.8078.79` or later.","reach":"internet","title":"Chrome: memory corruption in FileSystem lets crafted web page run code","impact":"high","summary":"A memory corruption bug in the FileSystem component of Google Chrome before 156.0.8078.79 lets a remote attacker run code inside the browser sandbox by serving a crafted HTML page. Chromium rates it High severity.","audience":"everyone","category":"package","nicknames":[],"who_cares":["chrome","browser","desktop","mobile"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after a visit","analyst_note":"","how_to_check":"- Check the installed Chrome version: `chrome://settings/help` or the Help menu in Chrome.\n- Confirm the version is below `156.0.8078.79`.","plain_action":"Update Google Chrome to version 156.0.8078.79 or later from the browser's settings page.","needs_analyst":false,"not_affected_if":["chrome-updated"],"who_is_affected":"Anyone running Google Chrome before 156.0.8078.79 who visits websites, including sites an attacker controls or has injected content into. The flaw is reached by loading a crafted HTML page, so no account is needed. Chromium-based browsers that pull their own builds need their own vendor updates.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000674,"input_tokens":4107,"output_tokens":526,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-76030':14A,17A '156.0.8078.79':35B,66C 'allow':67C 'arbitrari':74C 'attack':39B,70C 'browser':18B,44B 'bug':26B 'chrome':1A,19B,33B,63C 'chromium':52B,84C 'code':11A,41B,75C 'compon':30B 'corrupt':3A,25B,58C 'craft':7A,49B,81C 'cve':12A,15A 'desktop':20B 'execut':73C 'filesystem':5A,29B,60C 'googl':32B,62C 'high':55B,87C 'html':50B,82C 'insid':42B,76C 'let':6A,36B 'memori':2A,24B,57C 'mobil':21B 'packag':22B 'page':9A,51B,83C 'potenti':72C 'prior':64C 'rate':53B 'remot':38B,69C 'run':10A,40B 'sandbox':45B,78C 'secur':85C 'serv':47B 'sever':56B,86C 'via':79C 'web':8A","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome before 156.0.8078.79 who visits websites, including sites an attacker controls or has injected content into. The flaw is reached by loading a crafted HTML page, so no account is needed. Chromium-based browsers that pull their own builds need their own vendor updates.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome to version 156.0.8078.79 or later from the browser's settings page.","first_public_at":"2026-10-30T01:16:47+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-76030","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76030","severity":null,"published_at":"2026-10-30T01:16:47+00:00","modified_at":"2026-10-30T01:16:47+00:00","first_seen_at":"2026-10-30T01:27:59+00:00","fetched_at":"2026-10-30T01:27:59+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"}