{"id":"CVE-2026-113262","kind":"vulnerability","aliases":["CVE-2026-113262"],"related":[],"title":"Chrome: use-after-free in Extensions lets a crafted page run code","description":"Use after free in Extensions 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":"A memory bug in Chrome's Extensions component lets a remote attacker who serves a crafted HTML page potentially execute arbitrary code inside the browser sandbox. Chrome versions before 156.0.8078.47 are affected.","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","desktop","runtime"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Open chrome://settings/help and read the installed version; anything below 156.0.8078.47 is affected.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:19+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:39+00:00","updated_at":"2026-10-23T22:35:39+00:00","category":"runtime","confidence":0.8,"triage":{"at":"2026-10-23T22:35:39Z","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 a crafted page run code","impact":"high","summary":"A memory bug in Chrome's Extensions component lets a remote attacker who serves a crafted HTML page potentially execute arbitrary code inside the browser sandbox. Chrome versions before 156.0.8078.47 are affected.","category":"runtime","who_cares":["chrome","desktop","browsers"],"confidence":0.8,"needs_auth":"no","worst_case":"Code runs inside the browser sandbox after visiting a crafted page","analyst_note":"","how_to_check":"Open chrome://settings/help and read the installed version; anything below 156.0.8078.47 is affected.","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":0.000468,"input_tokens":2942,"output_tokens":348,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113262':16A,19A '-2026':15A,18A '156.0.8078.47':55B,68C 'affect':57B 'allow':69C 'arbitrari':46B,76C 'attack':37B,72C 'browser':22B,50B 'bug':28B 'chrome':1A,21A,23B,30B,52B,65C 'chromium':86C 'code':13A,47B,77C 'compon':33B 'craft':10A,41B,83C 'cve':14A,17A 'desktop':24B 'execut':45B,75C 'extens':7A,32B,62C 'free':5A,60C 'googl':64C 'google':20A 'html':42B,84C 'insid':48B,78C 'let':8A,34B 'medium':89C 'memori':27B 'page':11A,43B,85C 'potenti':44B,74C 'prior':66C 'remot':36B,71C 'run':12A 'runtim':25B 'sandbox':51B,80C 'secur':87C 'serv':39B 'sever':88C 'use':3A,58C 'use-after-fre':2A 'version':53B 'via':81C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:19+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-2026-113262","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113262","severity":null,"published_at":"2026-10-20T22:19:19+00:00","modified_at":"2026-10-21T17:09:19+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"}