{"id":"CVE-2026-113120","kind":"vulnerability","aliases":["CVE-2026-113120"],"related":[],"title":"Chrome: crafted HTML page can run code inside the sandbox","description":"Improper input validation in Media 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: Medium)","summary":"Google Chrome before 156.0.8078.47 has an input validation flaw in its Media component. A remote attacker who gets a victim to load a crafted HTML page can execute arbitrary code inside the browser sandbox.","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","endpoints","other","runtime"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Open chrome://version in Chrome and read the version number; anything below 156.0.8078.47 is affected.\nFleet-wide checks: unknown.","fix":"Update Google Chrome to 156.0.8078.47 or later and restart the browser.","status":"open","published_at":"2026-10-20T22:19:04+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:37:09+00:00","updated_at":"2026-10-23T22:37:09+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:37:09Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later and restart the browser.","reach":"internet","title":"Chrome: crafted HTML page can run code inside the sandbox","impact":"high","summary":"Google Chrome before 156.0.8078.47 has an input validation flaw in its Media component. A remote attacker who gets a victim to load a crafted HTML page can execute arbitrary code inside the browser sandbox.","category":"other","who_cares":["chrome","browsers","endpoints"],"confidence":0.8,"needs_auth":"no","worst_case":"attacker runs code inside the browser sandbox after a page visit","analyst_note":"","how_to_check":"Open chrome://version in Chrome and read the version number; anything below 156.0.8078.47 is affected.\nFleet-wide checks: unknown.","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":0.00088,"input_tokens":2943,"output_tokens":1171,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113120':13A,16A '-2026':12A,15A '156.0.8078.47':27B,68C 'allow':69C 'arbitrari':52B,76C 'attack':39B,72C 'browser':19B,56B 'chrome':1A,18A,20B,25B,65C 'chromium':86C 'code':7A,53B,77C 'compon':36B 'craft':2A,47B,83C 'cve':11A,14A 'endpoint':21B 'execut':51B,75C 'flaw':32B 'get':41B 'googl':24B,64C 'google':17A 'html':3A,48B,84C 'improp':58C 'input':30B,59C 'insid':8A,54B,78C 'load':45B 'media':35B,62C 'medium':89C 'page':4A,49B,85C 'potenti':74C 'prior':66C 'remot':38B,71C 'run':6A 'runtim':23B 'sandbox':10A,57B,80C 'secur':87C 'sever':88C 'valid':31B,60C 'via':81C 'victim':43B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:04+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-2026-113120","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113120","severity":null,"published_at":"2026-10-20T22:19:04+00:00","modified_at":"2026-10-21T17:26:31+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"}