{"id":"CVE-2026-113113","kind":"vulnerability","aliases":["CVE-2026-113113"],"related":[],"title":"Google Chrome: use-after-free in Extensions lets crafted 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 via a crafted HTML page. Visiting a malicious page is enough to trigger it, and the attacker gets code execution within the renderer sandbox rather than full system access.","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://settings/help or run chrome --version and compare against 156.0.8078.47.","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":"2026-10-23T22:37:14+00:00","updated_at":"2026-10-23T22:37:14+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:37:14Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.\nunknown","reach":"internet","title":"Google Chrome: use-after-free in Extensions lets crafted page run code","impact":"high","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 via a crafted HTML page. Visiting a malicious page is enough to trigger it, and the attacker gets code execution within the renderer sandbox rather than full system access.","category":"other","who_cares":["chrome","browsers","endpoints"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code in the browser sandbox after a user visits a page","analyst_note":"","how_to_check":"Open chrome://settings/help or run chrome --version and compare against 156.0.8078.47.\nunknown\nunknown","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":0.000491,"input_tokens":2944,"output_tokens":394,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113113':16A,19A '-2026':15A,18A '156.0.8078.47':41B,92C 'access':81B 'allow':93C 'arbitrari':47B,99C 'attack':45B,69B,96C 'browser':22B,51B 'bug':32B 'chrome':2A,21A,23B,39B,89C 'chromium':109C 'code':13A,48B,71B,100C 'compon':36B 'craft':10A,55B,106C 'cve':14A,17A 'endpoint':24B 'enough':63B 'execut':72B,98C 'extens':8A,35B,86C 'free':6A,31B,84C 'full':79B 'get':70B 'googl':1A,38B,88C 'google':20A 'html':56B,107C 'insid':49B,101C 'let':9A,42B 'malici':60B 'medium':112C 'page':11A,57B,61B,108C 'prior':90C 'rather':77B 'remot':44B,95C 'render':75B 'run':12A,46B 'runtim':26B 'sandbox':52B,76B,103C 'secur':110C 'sever':111C 'system':80B 'trigger':65B 'use':4A,29B,82C 'use-after-fre':3A,28B 'via':53B,104C 'visit':58B 'within':73B","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-2026-113113","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113113","severity":null,"published_at":"2026-10-20T22:19:03+00:00","modified_at":"2026-10-22T15:32:40+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"}