{"id":"CVE-2026-113172","kind":"vulnerability","aliases":["CVE-2026-113172"],"related":[],"title":"Chrome: ServiceWorker memory corruption lets crafted web 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 inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"Google Chrome before 156.0.8078.47 has a memory corruption bug in ServiceWorker. A remote attacker can use a crafted HTML page to potentially 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","linux","macos","other","windows"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Open chrome://settings/help in each browser 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":"2026-10-20T22:19:09+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:34+00:00","updated_at":"2026-10-23T22:36:34+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:36:34Z","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 crafted web page run code","impact":"high","summary":"Google Chrome before 156.0.8078.47 has a memory corruption bug in ServiceWorker. A remote attacker can use a crafted HTML page to potentially run arbitrary code inside the browser sandbox.","category":"other","who_cares":["chrome","browsers","windows","macos","linux"],"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":"Open chrome://settings/help in each browser 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":0.000472,"input_tokens":2955,"output_tokens":352,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113172':13A,16A '-2026':12A,15A '156.0.8078.47':28B,63C 'allow':64C 'arbitrari':48B,71C 'attack':38B,67C 'browser':19B,52B 'bug':33B 'chrome':1A,18A,20B,26B,60C 'chromium':81C 'code':10A,49B,72C 'corrupt':4A,32B,55C 'craft':6A,42B,78C 'cve':11A,14A 'execut':70C 'googl':25B,59C 'google':17A 'html':43B,79C 'insid':50B,73C 'let':5A 'linux':21B 'maco':22B 'medium':84C 'memori':3A,31B,54C 'page':8A,44B,80C 'potenti':46B,69C 'prior':61C 'remot':37B,66C 'run':9A,47B 'sandbox':53B,75C 'secur':82C 'servicework':2A,35B,57C 'sever':83C 'use':40B 'via':76C 'web':7A 'window':24B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:09+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-2026-113172","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113172","severity":null,"published_at":"2026-10-20T22:19:09+00:00","modified_at":"2026-10-22T15:26:45+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"}