{"id":"CVE-2026-113318","kind":"vulnerability","aliases":["CVE-2026-113318"],"related":[],"title":"Chrome: ServiceWorker memory corruption lets a web page run code","description":"Memory corruption in ServiceWorker 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: High)","summary":"Google Chrome before 156.0.8078.47 has a memory corruption bug in ServiceWorker. A remote attacker who gets a user to open a crafted HTML page can run arbitrary code inside the browser sandbox.","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","other","package"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Open chrome://settings/help and read the version; anything below 156.0.8078.47 is affected.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:26+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:04+00:00","updated_at":"2026-10-23T22:35:04+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:35:04Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: ServiceWorker memory corruption lets a web page run code","impact":"medium","summary":"Google Chrome before 156.0.8078.47 has a memory corruption bug in ServiceWorker. A remote attacker who gets a user to open a crafted HTML page can run arbitrary code inside the browser sandbox.","category":"package","who_cares":["chrome","browsers","desktop"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox via a crafted page","analyst_note":"","how_to_check":"Open chrome://settings/help and read the 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":0.000465,"input_tokens":2944,"output_tokens":342,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113318':13A,16A '-2026':12A,15A '156.0.8078.47':27B,65C 'allow':66C 'arbitrari':50B,72C 'attack':37B,69C 'browser':19B,54B 'bug':32B 'chrome':1A,18A,20B,25B,62C 'chromium':82C 'code':10A,51B,73C 'corrupt':4A,31B,57C 'craft':45B,79C 'cve':11A,14A 'desktop':21B 'execut':71C 'get':39B 'googl':24B,61C 'google':17A 'high':85C 'html':46B,80C 'insid':52B,74C 'let':5A 'memori':3A,30B,56C 'open':43B 'packag':23B 'page':8A,47B,81C 'prior':63C 'remot':36B,68C 'run':9A,49B 'sandbox':55B,76C 'secur':83C 'servicework':2A,34B,59C 'sever':84C 'user':41B 'via':77C 'web':7A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:26+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-2026-113318","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113318","severity":null,"published_at":"2026-10-20T22:19:26+00:00","modified_at":"2026-10-21T17:05:01+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","fetched_at":"2026-10-23T22:29:00+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"}