{"id":"CVE-2026-113161","kind":"vulnerability","aliases":["CVE-2026-113161"],"related":[],"title":"Chrome: WebRTC use-after-free lets a crafted web page run code","description":"Use after free in WebRTC 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":"A use-after-free bug in the WebRTC component of Google Chrome before 156.0.8078.47 lets a remote attacker run arbitrary code inside the browser sandbox. The attacker only needs the victim to load a crafted HTML page.","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","runtime"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Open chrome://settings/help and read the installed version; anything below 156.0.8078.47 is affected.","fix":"Update Google Chrome to 156.0.8078.47 or later and relaunch the browser.","status":"open","published_at":"2026-10-20T22:19:08+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:42+00:00","updated_at":"2026-10-23T22:36:42+00:00","category":"runtime","confidence":0.8,"triage":{"at":"2026-10-23T22:36:42Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later and relaunch the browser.","reach":"internet","title":"Chrome: WebRTC use-after-free lets a crafted web page run code","impact":"high","summary":"A use-after-free bug in the WebRTC component of Google Chrome before 156.0.8078.47 lets a remote attacker run arbitrary code inside the browser sandbox. The attacker only needs the victim to load a crafted HTML page.","category":"runtime","who_cares":["chrome","desktop","browsers"],"confidence":0.8,"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 and read the installed 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":0.000475,"input_tokens":2944,"output_tokens":361,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113161':16A,19A '-2026':15A,18A '156.0.8078.47':40B,74C 'allow':75C 'arbitrari':46B,81C 'attack':44B,53B,78C 'browser':22B,50B 'bug':31B 'chrome':1A,21A,23B,38B,71C 'chromium':91C 'code':13A,47B,82C 'compon':35B 'craft':9A,61B,88C 'cve':14A,17A 'desktop':24B 'execut':80C 'free':6A,30B,66C 'googl':37B,70C 'google':20A 'high':94C 'html':62B,89C 'insid':48B,83C 'let':7A,41B 'load':59B 'need':55B 'page':11A,63B,90C 'prior':72C 'remot':43B,77C 'run':12A,45B 'runtim':25B 'sandbox':51B,85C 'secur':92C 'sever':93C 'use':4A,28B,64C 'use-after-fre':3A,27B 'via':86C 'victim':57B 'web':10A 'webrtc':2A,34B,68C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:08+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-2026-113161","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113161","severity":null,"published_at":"2026-10-20T22:19:08+00:00","modified_at":"2026-10-22T15:25:16+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"}