{"id":"CVE-2026-119263","kind":"vulnerability","aliases":["CVE-2026-119263"],"related":[],"title":"Google Chrome: memory corruption in garbage collection lets crafted pages run code","description":"Memory corruption in GarbageCollection in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"Google Chrome before 156.0.8078.79 has a memory corruption bug in its GarbageCollection component. A remote attacker can use a crafted HTML page to potentially run arbitrary code outside the browser sandbox.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","chrome","linux","macos","runtime","windows"],"not_affected_if":["chrome-up-to-date"],"how_to_check":"- Check the installed Chrome version in the browser's About page or with `google-chrome --version` on Linux.\n- Look for managed Chrome installs across fleet tooling and compare against `156.0.8078.79`.","fix":"- Google Chrome: move to `156.0.8078.79` or later.","status":"open","published_at":"2026-10-30T01:16:45+00:00","first_seen_at":"2026-10-30T01:27:58+00:00","triaged_at":"2026-10-30T01:29:58+00:00","updated_at":"2026-10-30T01:29:58+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-10-30T01:29:58Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `156.0.8078.79` or later.","reach":"internet","title":"Google Chrome: memory corruption in garbage collection lets crafted pages run code","impact":"high","summary":"Google Chrome before 156.0.8078.79 has a memory corruption bug in its GarbageCollection component. A remote attacker can use a crafted HTML page to potentially run arbitrary code outside the browser sandbox.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browsers","windows","macos","linux"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker runs arbitrary code outside the browser sandbox","analyst_note":"","how_to_check":"- Check the installed Chrome version in the browser's About page or with `google-chrome --version` on Linux.\n- Look for managed Chrome installs across fleet tooling and compare against `156.0.8078.79`.","plain_action":"Update Google Chrome to version 156.0.8078.79 or later.","needs_analyst":false,"not_affected_if":["chrome-up-to-date"],"who_is_affected":"Any device running Google Chrome before 156.0.8078.79 is exposed when a user visits a malicious page. Managed fleets with auto-update disabled are most at risk. Chromium-based browsers may carry the same flaw until they ship their own update.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000674,"input_tokens":4108,"output_tokens":526,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-119263':15A,18A '-2026':14A,17A '156.0.8078.79':28B,65C 'allow':66C 'arbitrari':50B,73C 'attack':40B,69C 'browser':19B,54B 'bug':33B 'chrome':2A,20B,26B,62C 'chromium':83C 'code':12A,51B,74C 'collect':7A 'compon':37B 'corrupt':4A,32B,57C 'craft':9A,44B,80C 'cve':13A,16A 'execut':72C 'garbag':6A 'garbagecollect':36B,59C 'googl':1A,25B,61C 'high':86C 'html':45B,81C 'let':8A 'linux':21B 'maco':22B 'memori':3A,31B,56C 'outsid':52B,75C 'page':10A,46B,82C 'potenti':48B,71C 'prior':63C 'remot':39B,68C 'run':11A,49B 'runtim':23B 'sandbox':55B,77C 'secur':84C 'sever':85C 'use':42B 'via':78C 'window':24B","nicknames":[],"mitigations":[],"who_affected":"Any device running Google Chrome before 156.0.8078.79 is exposed when a user visits a malicious page. Managed fleets with auto-update disabled are most at risk. Chromium-based browsers may carry the same flaw until they ship their own update.","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.","first_public_at":"2026-10-30T01:16:45+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-119263","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119263","severity":null,"published_at":"2026-10-30T01:16:45+00:00","modified_at":"2026-10-30T01:16:45+00:00","first_seen_at":"2026-10-30T01:27:58+00:00","fetched_at":"2026-10-30T01:27:58+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"}