{"id":"CVE-2026-113118","kind":"vulnerability","aliases":["CVE-2026-113118"],"related":[],"title":"Chrome: memory corruption in Extensions lets a web page run code","description":"Memory corruption in Extensions 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":"Google Chrome before 156.0.8078.47 has a memory corruption bug in its Extensions component. A remote attacker who gets a user to open a crafted HTML page can run 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","package"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version and check the version is 156.0.8078.47 or later.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:03+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:37:08+00:00","updated_at":"2026-10-23T22:37:08+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:37:08Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: memory corruption in Extensions lets a web page run code","impact":"high","summary":"Google Chrome before 156.0.8078.47 has a memory corruption bug in its Extensions component. A remote attacker who gets a user to open a crafted HTML page can run arbitrary code inside the browser sandbox.","category":"package","who_cares":["chrome","browsers","endpoints"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox on the user's machine","analyst_note":"","how_to_check":"Run chrome://version and check the version is 156.0.8078.47 or later.","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":0.000461,"input_tokens":2941,"output_tokens":334,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113118':14A,17A '-2026':13A,16A '156.0.8078.47':27B,67C 'allow':68C 'arbitrari':52B,74C 'attack':39B,71C 'browser':20B,56B 'bug':32B 'chrome':1A,19A,21B,25B,64C 'chromium':84C 'code':11A,53B,75C 'compon':36B 'corrupt':3A,31B,59C 'craft':47B,81C 'cve':12A,15A 'endpoint':22B 'execut':73C 'extens':5A,35B,61C 'get':41B 'googl':24B,63C 'google':18A 'html':48B,82C 'insid':54B,76C 'let':6A 'medium':87C 'memori':2A,30B,58C 'open':45B 'packag':23B 'page':9A,49B,83C 'prior':65C 'remot':38B,70C 'run':10A,51B 'sandbox':57B,78C 'secur':85C 'sever':86C 'user':43B 'via':79C 'web':8A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:03+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-2026-113118","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113118","severity":null,"published_at":"2026-10-20T22:19:03+00:00","modified_at":"2026-10-22T23:18:26+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"}