{"id":"CVE-2026-113034","kind":"vulnerability","aliases":["CVE-2026-113034"],"related":[],"title":"Chrome: memory corruption in FileSystem lets a web page run code","description":"Memory corruption in FileSystem 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 memory corruption bug in the FileSystem component of Google Chrome before 156.0.8078.47 lets a remote attacker run arbitrary code inside the browser sandbox when the victim opens a crafted HTML page. The attacker gets code execution in the renderer sandbox, not full system access, according to the description.","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","package"],"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":"2026-10-20T22:18:54+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:38:02+00:00","updated_at":"2026-10-23T22:38:02+00:00","category":"package","confidence":0.85,"triage":{"at":"2026-10-23T22:38:02Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: memory corruption in FileSystem lets a web page run code","impact":"high","summary":"A memory corruption bug in the FileSystem component of Google Chrome before 156.0.8078.47 lets a remote attacker run arbitrary code inside the browser sandbox when the victim opens a crafted HTML page. The attacker gets code execution in the renderer sandbox, not full system access, according to the description.","category":"package","who_cares":["chrome","desktop","browsers"],"confidence":0.85,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after the user visits a page","analyst_note":"","how_to_check":"Open chrome://settings/help or run chrome --version 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":0.000478,"input_tokens":2942,"output_tokens":368,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113034':14A,17A '-2026':13A,16A '156.0.8078.47':36B,82C 'access':68B 'accord':69B 'allow':83C 'arbitrari':42B,89C 'attack':40B,57B,86C 'browser':20B,46B 'bug':27B 'chrome':1A,19A,21B,34B,79C 'chromium':99C 'code':11A,43B,59B,90C 'compon':31B 'corrupt':3A,26B,74C 'craft':53B,96C 'cve':12A,15A 'descript':72B 'desktop':22B 'execut':60B,88C 'filesystem':5A,30B,76C 'full':66B 'get':58B 'googl':33B,78C 'google':18A 'html':54B,97C 'insid':44B,91C 'let':6A,37B 'medium':102C 'memori':2A,25B,73C 'open':51B 'packag':23B 'page':9A,55B,98C 'prior':80C 'remot':39B,85C 'render':63B 'run':10A,41B 'sandbox':47B,64B,93C 'secur':100C 'sever':101C 'system':67B 'via':94C 'victim':50B 'web':8A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:54+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-2026-113034","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113034","severity":null,"published_at":"2026-10-20T22:18:54+00:00","modified_at":"2026-10-21T19:26:08+00:00","first_seen_at":"2026-10-23T21:57:23+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"}