{"id":"CVE-2026-113342","kind":"vulnerability","aliases":["CVE-2026-113342"],"related":[],"title":"Chrome: memory corruption in network code lets web pages run code","description":"Memory corruption in Network in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code outside 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 its network code. A remote attacker who gets a user to open a crafted HTML page can run arbitrary 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","endpoints","other"],"not_affected_if":[],"how_to_check":"Open chrome://version in Chrome and compare the version to 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:28+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:34:54+00:00","updated_at":"2026-10-23T22:34:54+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:34:54Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: memory corruption in network code lets web pages run code","impact":"high","summary":"Google Chrome before 156.0.8078.47 has a memory corruption bug in its network code. A remote attacker who gets a user to open a crafted HTML page can run arbitrary code outside the browser sandbox.","category":"other","who_cares":["chrome","browsers","endpoints","desktop"],"confidence":0.8,"needs_auth":"no","worst_case":"Code runs outside the sandbox after a victim opens a page.","analyst_note":"Reconcile Chromium's Medium security rating with the NVD CVSS 9.6 score and confirm the fix in the Chrome 156.0.8078.47 release notes.","how_to_check":"Open chrome://version in Chrome and compare the version to 156.0.8078.47.","needs_analyst":true,"not_affected_if":[],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"critical"},"cost_usd":0.000941,"input_tokens":2943,"output_tokens":1293,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-113342':14A,17A '-2026':13A,16A '156.0.8078.47':27B,67C 'allow':68C 'arbitrari':52B,74C 'attack':39B,71C 'browser':20B,56B 'bug':32B 'chrome':1A,19A,21B,25B,64C 'chromium':84C 'code':6A,11A,36B,53B,75C 'corrupt':3A,31B,59C 'craft':47B,81C 'cve':12A,15A 'desktop':22B 'endpoint':23B 'execut':73C 'get':41B 'googl':24B,63C 'google':18A 'html':48B,82C 'let':7A 'medium':87C 'memori':2A,30B,58C 'network':5A,35B,61C 'open':45B 'outsid':54B,76C 'page':9A,49B,83C 'prior':65C 'remot':38B,70C 'run':10A,51B 'sandbox':57B,78C 'secur':85C 'sever':86C 'user':43B 'via':79C 'web':8A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:28+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-2026-113342","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113342","severity":null,"published_at":"2026-10-20T22:19:28+00:00","modified_at":"2026-10-22T23:18:29+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"}