{"id":"CVE-2026-113218","kind":"vulnerability","aliases":["CVE-2026-113218"],"related":[],"title":"Chrome: DataTransfer use-after-free lets a crafted page run code in sandbox","description":"Use after free in DataTransfer in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"A use-after-free bug in Chrome's DataTransfer code lets a remote attacker run arbitrary code inside the browser sandbox when the victim opens a crafted HTML page. The sources say the code runs inside the sandbox only, so escaping to the operating system needs a second flaw.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"google chrome","fixed":["156.0.8078.47"],"affected":"< 156.0.8078.47","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browser","chrome","desktop","managed-browsers","other","runtime"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version in Chrome and compare the version with 156.0.8078.47.\nOn managed machines, check the Chrome version from the device management console.","fix":"Update Google Chrome to 156.0.8078.47 or later and relaunch the browser.","status":"open","published_at":"2026-10-20T22:19:15+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:06+00:00","updated_at":"2026-10-23T22:36:06+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:36:06Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later and relaunch the browser.\nunknown","reach":"internet","title":"Chrome: DataTransfer use-after-free lets a crafted page run code in sandbox","impact":"high","summary":"A use-after-free bug in Chrome's DataTransfer code lets a remote attacker run arbitrary code inside the browser sandbox when the victim opens a crafted HTML page. The sources say the code runs inside the sandbox only, so escaping to the operating system needs a second flaw.","category":"other","who_cares":["chrome","desktop","managed-browsers"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the Chrome renderer sandbox on the victim machine.","analyst_note":"","how_to_check":"Run chrome://version in Chrome and compare the version with 156.0.8078.47.\nOn managed machines, check the Chrome version from the device management console.\nunknown","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000501,"input_tokens":2948,"output_tokens":412,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113218':17A,20A '-2026':16A,19A '156.0.8078.47':91C 'allow':92C 'arbitrari':47B,98C 'attack':45B,95C 'browser':23B,28B,51B 'bug':36B 'chrome':1A,22A,24B,38B,88C 'chromium':108C 'code':12A,41B,48B,65B,99C 'craft':9A,58B,105C 'cve':15A,18A 'datatransf':2A,40B,85C 'desktop':25B 'escap':72B 'execut':97C 'flaw':80B 'free':6A,35B,83C 'googl':87C 'google':21A 'html':59B,106C 'insid':49B,67B,100C 'let':7A,42B 'manag':27B 'managed-brows':26B 'medium':111C 'need':77B 'open':56B 'oper':75B 'page':10A,60B,107C 'prior':89C 'remot':44B,94C 'run':11A,46B,66B 'runtim':30B 'sandbox':14A,52B,69B,102C 'say':63B 'second':79B 'secur':109C 'sever':110C 'sourc':62B 'system':76B 'use':4A,33B,81C 'use-after-fre':3A,32B 'via':103C 'victim':55B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:15+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113218","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113218","severity":null,"published_at":"2026-10-20T22:19:15+00:00","modified_at":"2026-10-22T14:06:13+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","fetched_at":"2026-10-23T22:28:59+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"}