{"id":"CVE-2026-113198","kind":"vulnerability","aliases":["CVE-2026-113198"],"related":[],"title":"Google Chrome: use-after-free in Extensions lets a 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 by serving a crafted HTML page to the victim.","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","linux","macos","other","runtime","windows"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Open chrome://settings/help or run google-chrome --version on managed machines and compare against 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later and restart the browser.","status":"open","published_at":"2026-10-20T22:19:12+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:19+00:00","updated_at":"2026-10-23T22:36:19+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:36:19Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later and restart the browser.","reach":"internet","title":"Google Chrome: use-after-free in Extensions lets a web 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. The attack works by serving a crafted HTML page to the victim.","category":"other","who_cares":["chrome","windows","macos","linux"],"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 or run google-chrome --version on managed machines and compare against 156.0.8078.47.","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":0.000475,"input_tokens":2948,"output_tokens":361,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113198':17A,20A '-2026':16A,19A '156.0.8078.47':44B,78C 'allow':79C 'arbitrari':50B,85C 'attack':48B,57B,82C 'browser':23B,54B 'bug':35B 'chrome':2A,22A,24B,42B,75C 'chromium':95C 'code':14A,51B,86C 'compon':39B 'craft':62B,92C 'cve':15A,18A 'execut':84C 'extens':8A,38B,72C 'free':6A,34B,70C 'googl':1A,41B,74C 'google':21A 'html':63B,93C 'insid':52B,87C 'let':9A,45B 'linux':25B 'maco':26B 'medium':98C 'page':12A,64B,94C 'prior':76C 'remot':47B,81C 'run':13A,49B 'runtim':28B 'sandbox':55B,89C 'secur':96C 'serv':60B 'sever':97C 'use':4A,32B,68C 'use-after-fre':3A,31B 'via':90C 'victim':67B 'web':11A 'window':29B 'work':58B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:12+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-2026-113198","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113198","severity":null,"published_at":"2026-10-20T22:19:12+00:00","modified_at":"2026-10-22T15:22:38+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"}