{"id":"CVE-2026-113033","kind":"vulnerability","aliases":["CVE-2026-113033"],"related":[],"title":"Chrome: use-after-free in Streaming lets a web page run code","description":"Use after free in Streaming 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: Medium)","summary":"A use-after-free bug in the Streaming component of Google Chrome before 156.0.8078.47 lets a remote attacker run arbitrary code inside the browser sandbox via a crafted HTML page. Exploiting it needs a victim to open the malicious 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 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 and restart the browser.","status":"open","published_at":"2026-10-20T22:18:54+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:38:03+00:00","updated_at":"2026-10-23T22:38:03+00:00","category":"runtime","confidence":0.8,"triage":{"at":"2026-10-23T22:38:03Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later and restart the browser.","reach":"internet","title":"Chrome: use-after-free in Streaming lets a web page run code","impact":"high","summary":"A use-after-free bug in the Streaming component of Google Chrome before 156.0.8078.47 lets a remote attacker run arbitrary code inside the browser sandbox via a crafted HTML page. Exploiting it needs a victim to open the malicious page.","category":"runtime","who_cares":["chrome","desktop","browsers"],"confidence":0.8,"needs_auth":"no","worst_case":"Code runs inside the browser sandbox after a victim opens 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":0.000475,"input_tokens":2943,"output_tokens":362,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113033':16A,19A '-2026':15A,18A '156.0.8078.47':40B,77C 'allow':78C 'arbitrari':46B,84C 'attack':44B,81C 'browser':22B,50B 'bug':31B 'chrome':1A,21A,23B,38B,74C 'chromium':94C 'code':13A,47B,85C 'compon':35B 'craft':54B,91C 'cve':14A,17A 'desktop':24B 'execut':83C 'exploit':57B 'free':5A,30B,69C 'googl':37B,73C 'google':20A 'html':55B,92C 'insid':48B,86C 'let':8A,41B 'malici':65B 'medium':97C 'need':59B 'open':63B 'page':11A,56B,66B,93C 'prior':75C 'remot':43B,80C 'run':12A,45B 'runtim':25B 'sandbox':51B,88C 'secur':95C 'sever':96C 'stream':7A,34B,71C 'use':3A,28B,67C 'use-after-fre':2A,27B 'via':52B,89C 'victim':61B 'web':10A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:54+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-2026-113033","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113033","severity":null,"published_at":"2026-10-20T22:18:54+00:00","modified_at":"2026-10-21T19:26:22+00:00","first_seen_at":"2026-10-23T21:57:23+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"}