{"id":"CVE-2026-113062","kind":"vulnerability","aliases":["CVE-2026-113062"],"related":[],"title":"Chrome: crafted HTML page can run code inside the browser sandbox","description":"Improper input validation in API 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 an API that a crafted HTML page can trigger. An attacker who lures a user to that page can run code inside the sandbox, though the sources do not say whether a sandbox escape is also possible.","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","runtime"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version in the browser and read the version number; anything below 156.0.8078.47 is affected.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:18:57+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:37:46+00:00","updated_at":"2026-10-23T22:37:46+00:00","category":"runtime","confidence":0.8,"triage":{"at":"2026-10-23T22:37:46Z","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 an API that a crafted HTML page can trigger. An attacker who lures a user to that page can run code inside the sandbox, though the sources do not say whether a sandbox escape is also possible.","category":"runtime","who_cares":["chrome","desktop","browsers"],"confidence":0.8,"needs_auth":"no","worst_case":"Code runs inside the browser sandbox after a visit to a crafted page.","analyst_note":"","how_to_check":"Run chrome://version in the browser and read the version number; anything below 156.0.8078.47 is affected.","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000475,"input_tokens":2940,"output_tokens":362,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113062':14A,17A '-2026':13A,16A '156.0.8078.47':27B,81C 'allow':82C 'also':69B 'api':35B,75C 'arbitrari':89C 'attack':44B,85C 'browser':10A,20B 'chrome':1A,19A,21B,25B,78C 'chromium':99C 'code':7A,54B,90C 'craft':2A,38B,96C 'cve':12A,15A 'desktop':22B 'escap':67B 'execut':88C 'flaw':32B 'googl':24B,77C 'google':18A 'html':3A,39B,97C 'improp':71C 'input':30B,72C 'insid':8A,55B,91C 'lure':46B 'medium':102C 'page':4A,40B,51B,98C 'possibl':70B 'potenti':87C 'prior':79C 'remot':84C 'run':6A,53B 'runtim':23B 'sandbox':11A,57B,66B,93C 'say':63B 'secur':100C 'sever':101C 'sourc':60B 'though':58B 'trigger':42B 'user':48B 'valid':31B,73C 'via':94C 'whether':64B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:57+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-2026-113062","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113062","severity":null,"published_at":"2026-10-20T22:18:57+00:00","modified_at":"2026-10-21T17:10:40+00:00","first_seen_at":"2026-10-23T21:57:23+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"}