{"id":"CVE-2026-113302","kind":"vulnerability","aliases":["CVE-2026-113302"],"related":[],"title":"Chrome: use-after-free in Extensions lets crafted web page run code","description":"Use after free 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":"A use-after-free bug in the Extensions component of Google Chrome before 156.0.8078.47 lets a remote attacker run arbitrary code inside the browser sandbox. The attack works through a specially crafted HTML page the victim opens.","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","runtime","vendor"],"not_affected_if":["chrome-already-updated"],"how_to_check":"Open chrome://settings/help and read the Chrome version; anything below 156.0.8078.47 is affected.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:24+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:14+00:00","updated_at":"2026-10-23T22:35:14+00:00","category":"vendor","confidence":0.8,"triage":{"at":"2026-10-23T22:35:14Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: use-after-free in Extensions lets crafted web page run code","impact":"medium","summary":"A use-after-free bug in the Extensions component of Google Chrome before 156.0.8078.47 lets a remote attacker run arbitrary code inside the browser sandbox. The attack works through a specially crafted HTML page the victim opens.","category":"vendor","who_cares":["chrome","browsers","endpoints"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after the victim visits a page","analyst_note":"","how_to_check":"Open chrome://settings/help and read the Chrome version; anything below 156.0.8078.47 is affected.","needs_analyst":false,"not_affected_if":["chrome-already-updated"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000468,"input_tokens":2944,"output_tokens":348,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113302':16A,19A '-2026':15A,18A '156.0.8078.47':41B,75C 'allow':76C 'arbitrari':47B,82C 'attack':45B,54B,79C 'browser':22B,51B 'bug':32B 'chrome':1A,21A,23B,39B,72C 'chromium':92C 'code':13A,48B,83C 'compon':36B 'craft':9A,59B,89C 'cve':14A,17A 'endpoint':24B 'execut':81C 'extens':7A,35B,69C 'free':5A,31B,67C 'googl':38B,71C 'google':20A 'html':60B,90C 'insid':49B,84C 'let':8A,42B 'medium':95C 'open':64B 'page':11A,61B,91C 'prior':73C 'remot':44B,78C 'run':12A,46B 'runtim':25B 'sandbox':52B,86C 'secur':93C 'sever':94C 'special':58B 'use':3A,29B,65C 'use-after-fre':2A,28B 'vendor':26B 'via':87C 'victim':63B 'web':10A 'work':55B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:24+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-2026-113302","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113302","severity":null,"published_at":"2026-10-20T22:19:24+00:00","modified_at":"2026-10-21T17:06:16+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"}