{"id":"CVE-2026-113265","kind":"vulnerability","aliases":["CVE-2026-113265"],"related":[],"title":"Google Chrome: crafted web page can corrupt memory and run code in sandbox","description":"Memory corruption in BFCache 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 corruption flaw in Chrome's back-forward cache lets a remote attacker run code inside the browser sandbox by serving a crafted HTML page. The sources say the sandbox is the limit, so full escape is not claimed here.","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","managed-endpoints","other","runtime"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version in each browser and compare the version with 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:20+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:36+00:00","updated_at":"2026-10-23T22:35:36+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:35:36Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Google Chrome: crafted web page can corrupt memory and run code in sandbox","impact":"high","summary":"A memory corruption flaw in Chrome's back-forward cache lets a remote attacker run code inside the browser sandbox by serving a crafted HTML page. The sources say the sandbox is the limit, so full escape is not claimed here.","category":"other","who_cares":["chrome","managed-endpoints","browsers"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after a victim visits a page.","analyst_note":"","how_to_check":"Run chrome://version in each browser and compare the version with 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":0.000469,"input_tokens":2950,"output_tokens":349,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113265':16A,19A '-2026':15A,18A '156.0.8078.47':79C 'allow':80C 'arbitrari':87C 'attack':43B,83C 'back':37B 'back-forward':36B 'bfcach':73C 'browser':22B,48B 'cach':39B 'chrome':2A,21A,23B,34B,76C 'chromium':97C 'claim':69B 'code':11A,45B,88C 'corrupt':7A,31B,71C 'craft':3A,53B,94C 'cve':14A,17A 'endpoint':26B 'escap':66B 'execut':86C 'flaw':32B 'forward':38B 'full':65B 'googl':1A,75C 'google':20A 'html':54B,95C 'insid':46B,89C 'let':40B 'limit':63B 'manag':25B 'managed-endpoint':24B 'medium':100C 'memori':8A,30B,70C 'page':5A,55B,96C 'potenti':85C 'prior':77C 'remot':42B,82C 'run':10A,44B 'runtim':28B 'sandbox':13A,49B,60B,91C 'say':58B 'secur':98C 'serv':51B 'sever':99C 'sourc':57B 'via':92C 'web':4A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:20+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-2026-113265","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113265","severity":null,"published_at":"2026-10-20T22:19:20+00:00","modified_at":"2026-10-21T17:09:03+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"}