{"id":"CVE-2026-118350","kind":"vulnerability","aliases":["CVE-2026-118350"],"related":[],"title":"Chrome: use-after-free in Turbolev lets crafted page run code in sandbox","description":"Use after free in Turbolev in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"Google Chrome versions before 156.0.8078.73 contain a use-after-free bug in the Turbolev component. A remote attacker can serve a crafted HTML page that executes arbitrary code inside the browser sandbox.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","chrome","desktop","runtime"],"not_affected_if":["current-chrome-build"],"how_to_check":"- Check the installed Chrome version in the browser's About page or with `google-chrome --version`\n- Check Chrome versions on managed machines through your device management tooling","fix":"- Update Google Chrome to `156.0.8078.73` or later","status":"open","published_at":"2026-10-27T23:17:04+00:00","first_seen_at":"2026-10-27T23:29:44+00:00","triaged_at":"2026-10-27T23:31:34+00:00","updated_at":"2026-10-27T23:31:34+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-27T23:31:34Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome to `156.0.8078.73` or later","reach":"internet","title":"Chrome: use-after-free in Turbolev lets crafted page run code in sandbox","impact":"high","summary":"Google Chrome versions before 156.0.8078.73 contain a use-after-free bug in the Turbolev component. A remote attacker can serve a crafted HTML page that executes arbitrary code inside the browser sandbox.","category":"runtime","nicknames":[],"who_cares":["chrome","browsers","desktop"],"confidence":0.6,"needs_auth":"no","worst_case":"code runs inside the browser sandbox after visiting a page","analyst_note":"","how_to_check":"- Check the installed Chrome version in the browser's About page or with `google-chrome --version`\n- Check Chrome versions on managed machines through your device management tooling","needs_analyst":false,"not_affected_if":["current-chrome-build"],"who_is_affected":"Any machine running Google Chrome older than `156.0.8078.73` is exposed when a user visits a malicious page. Teams that manage browsers on developer or employee machines should check their fleet. Machines already on a current Chrome build can skip it.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000555,"input_tokens":3296,"output_tokens":451,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-118350':17A,20A '-2026':16A,19A '156.0.8078.73':29B,68C 'allow':69C 'arbitrari':52B,75C 'attack':43B,72C 'browser':21B,56B 'bug':36B 'chrome':1A,22B,26B,65C 'chromium':85C 'code':12A,53B,76C 'compon':40B 'contain':30B 'craft':9A,47B,82C 'cve':15A,18A 'desktop':23B 'execut':51B,74C 'free':5A,35B,60C 'googl':25B,64C 'high':88C 'html':48B,83C 'insid':54B,77C 'let':8A 'page':10A,49B,84C 'prior':66C 'remot':42B,71C 'run':11A 'runtim':24B 'sandbox':14A,57B,79C 'secur':86C 'serv':45B 'sever':87C 'turbolev':7A,39B,62C 'use':3A,33B,58C 'use-after-fre':2A,32B 'version':27B 'via':80C","nicknames":[],"mitigations":[],"who_affected":"Any machine running Google Chrome older than `156.0.8078.73` is exposed when a user visits a malicious page. Teams that manage browsers on developer or employee machines should check their fleet. Machines already on a current Chrome build can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T23:17:04+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-118350","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118350","severity":null,"published_at":"2026-10-27T23:17:04+00:00","modified_at":"2026-10-27T23:17:04+00:00","first_seen_at":"2026-10-27T23:29:44+00:00","fetched_at":"2026-10-27T23:29:44+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"}