{"id":"CVE-2026-113244","kind":"vulnerability","aliases":["CVE-2026-113244"],"related":[],"title":"Chrome: crafted HTML page can run code inside the browser sandbox","description":"Improper input validation in UI in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)","summary":"Google Chrome before 156.0.8078.47 has an input validation flaw in its UI that lets a remote attacker run arbitrary code inside the sandbox by serving a crafted HTML page. The sources rate the CVSS score at 8.8 (high), and Chromium rates the security severity as low.","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":["browsers","chrome","desktop","other","package"],"not_affected_if":["chrome-already-updated"],"how_to_check":"Run chrome://version in Chrome and compare the version with 156.0.8078.47.\nOn managed machines, check the installed Chrome version with your endpoint management tool.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:17+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:49+00:00","updated_at":"2026-10-23T22:35:49+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-23T22:35:49Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: crafted HTML page can run code inside the browser sandbox","impact":"medium","summary":"Google Chrome before 156.0.8078.47 has an input validation flaw in its UI that lets a remote attacker run arbitrary code inside the sandbox by serving a crafted HTML page. The sources rate the CVSS score at 8.8 (high), and Chromium rates the security severity as low.","category":"package","who_cares":["chrome","desktop","browsers"],"confidence":0.7,"needs_auth":"no","worst_case":"attacker code runs inside the renderer sandbox after the victim visits a page","analyst_note":"","how_to_check":"Run chrome://version in Chrome and compare the version with 156.0.8078.47.\nOn managed machines, check the installed Chrome version with your endpoint management tool.","needs_analyst":false,"not_affected_if":["chrome-already-updated"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000486,"input_tokens":2939,"output_tokens":384,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113244':14A,17A '-2026':13A,16A '156.0.8078.47':28B,81C '8.8':61B 'allow':82C 'arbitrari':43B,89C 'attack':41B,85C 'browser':10A,20B 'chrome':1A,19A,21B,26B,78C 'chromium':64B,99C 'code':7A,44B,90C 'craft':2A,51B,96C 'cve':12A,15A 'cvss':58B 'desktop':22B 'execut':88C 'flaw':33B 'googl':25B,77C 'google':18A 'high':62B 'html':3A,52B,97C 'improp':71C 'input':31B,72C 'insid':8A,45B,91C 'let':38B 'low':70B,102C 'packag':24B 'page':4A,53B,98C 'potenti':87C 'prior':79C 'rate':56B,65B 'remot':40B,84C 'run':6A,42B 'sandbox':11A,47B,93C 'score':59B 'secur':67B,100C 'serv':49B 'sever':68B,101C 'sourc':55B 'ui':36B,75C 'valid':32B,73C 'via':94C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:17+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-2026-113244","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113244","severity":null,"published_at":"2026-10-20T22:19:17+00:00","modified_at":"2026-10-22T13:58:13+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"}