{"id":"CVE-2026-113211","kind":"vulnerability","aliases":["CVE-2026-113211"],"related":[],"title":"Chrome: ServiceWorker memory corruption lets a crafted page run code","description":"Memory corruption in ServiceWorker in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"A memory corruption bug in the ServiceWorker component of Google Chrome before 156.0.8078.47 can be triggered by a crafted HTML page. An attacker who gets a user to open the page could potentially run code outside the browser sandbox.","severity":"critical","cvss":9.6,"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"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":null,"fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:14+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:11+00:00","updated_at":"2026-10-23T22:36:11+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:36:11Z","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 crafted page run code","impact":"high","summary":"A memory corruption bug in the ServiceWorker component of Google Chrome before 156.0.8078.47 can be triggered by a crafted HTML page. An attacker who gets a user to open the page could potentially run code outside the browser sandbox.","category":"other","who_cares":["chrome","desktop","browsers"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker code runs outside the browser sandbox on the user's machine.","analyst_note":"","how_to_check":"unknown","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"critical"},"cost_usd":0.000456,"input_tokens":2951,"output_tokens":322,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-113211':13A,16A '-2026':12A,15A '156.0.8078.47':34B,70C 'allow':71C 'arbitrari':78C 'attack':44B,74C 'browser':19B,59B 'bug':25B 'chrome':1A,18A,20B,32B,67C 'chromium':88C 'code':10A,56B,79C 'compon':29B 'corrupt':4A,24B,62C 'could':53B 'craft':7A,40B,85C 'cve':11A,14A 'desktop':21B 'execut':77C 'get':46B 'googl':31B,66C 'google':17A 'html':41B,86C 'let':5A 'medium':91C 'memori':3A,23B,61C 'open':50B 'outsid':57B,80C 'page':8A,42B,52B,87C 'potenti':54B,76C 'prior':68C 'remot':73C 'run':9A,55B 'sandbox':60B,82C 'secur':89C 'servicework':2A,28B,64C 'sever':90C 'trigger':37B 'user':48B 'via':83C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:14+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113211","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113211","severity":null,"published_at":"2026-10-20T22:19:14+00:00","modified_at":"2026-10-22T23:18:28+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"}