{"id":"CVE-2026-113230","kind":"vulnerability","aliases":["CVE-2026-113230"],"related":[],"title":"Google Chrome: crafted HTML page can execute code inside the sandbox","description":"Improper input validation in Browser 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":"Improper input validation in Chrome's browser component before 156.0.8078.47 lets a remote attacker run code inside the renderer sandbox by serving a crafted HTML page. The sources say it is a sandbox escape candidate, not a full compromise, and it is not known to be exploited in the wild.","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":["chrome","desktop-browsers","linux","macos","other","runtime","windows"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version in the browser and compare the version to 156.0.8078.47.\nOn managed fleets, query the installed Chrome version with your device management tool.","fix":"Update Google Chrome to 156.0.8078.47 or later and restart the browser.","status":"open","published_at":"2026-10-20T22:19:16+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:01+00:00","updated_at":"2026-10-23T22:36:01+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-23T22:36:01Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later and restart the browser.\nunknown","reach":"internet","title":"Google Chrome: crafted HTML page can execute code inside the sandbox","impact":"high","summary":"Improper input validation in Chrome's browser component before 156.0.8078.47 lets a remote attacker run code inside the renderer sandbox by serving a crafted HTML page. The sources say it is a sandbox escape candidate, not a full compromise, and it is not known to be exploited in the wild.","category":"other","who_cares":["chrome","windows","macos","linux","desktop-browsers"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code inside the Chrome sandbox after a visit to a page","analyst_note":"Confirm the exact CVSS vector and whether the sandbox-only scope holds, using the Chrome Releases blog entry for 156.0.8078.47 and the NVD record.","how_to_check":"Run chrome://version in the browser and compare the version to 156.0.8078.47.\nOn managed fleets, query the installed Chrome version with your device management tool.\nunknown","needs_analyst":true,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000532,"input_tokens":2950,"output_tokens":473,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113230':14A,17A '-2026':13A,16A '156.0.8078.47':38B,89C 'allow':90C 'arbitrari':97C 'attack':42B,93C 'browser':23B,35B,83C 'candid':63B 'chrome':2A,19A,20B,33B,86C 'chromium':107C 'code':8A,44B,98C 'compon':36B 'compromis':67B 'craft':3A,52B,104C 'cve':12A,15A 'desktop':22B 'desktop-brows':21B 'escap':62B 'execut':7A,96C 'exploit':75B 'full':66B 'googl':1A,85C 'google':18A 'html':4A,53B,105C 'improp':29B,79C 'input':30B,80C 'insid':9A,45B,99C 'known':72B 'let':39B 'linux':24B 'maco':25B 'medium':110C 'page':5A,54B,106C 'potenti':95C 'prior':87C 'remot':41B,92C 'render':47B 'run':43B 'runtim':27B 'sandbox':11A,48B,61B,101C 'say':57B 'secur':108C 'serv':50B 'sever':109C 'sourc':56B 'valid':31B,81C 'via':102C 'wild':78B 'window':28B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:16+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-2026-113230","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113230","severity":null,"published_at":"2026-10-20T22:19:16+00:00","modified_at":"2026-10-22T14:04:52+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"}