{"id":"CVE-2026-113327","kind":"vulnerability","aliases":["CVE-2026-113327"],"related":[],"title":"Chrome: Chromecast use-after-free lets a crafted page run code in sandbox","description":"Use after free in Chromecast 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 Chromecast component of Google Chrome lets a remote attacker run arbitrary code inside the browser sandbox when the victim opens a crafted HTML page. Sandbox code execution is a foothold that usually needs a second flaw to escape the 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","package","windows"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version in Chrome and compare the version with 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:27+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:34:59+00:00","updated_at":"2026-10-23T22:34:59+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-23T22:34:59Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.\nunknown","reach":"internet","title":"Chrome: Chromecast use-after-free lets a crafted page run code in sandbox","impact":"high","summary":"A use-after-free bug in the Chromecast component of Google Chrome lets a remote attacker run arbitrary code inside the browser sandbox when the victim opens a crafted HTML page. Sandbox code execution is a foothold that usually needs a second flaw to escape the sandbox.","category":"package","who_cares":["chrome","browsers","windows","macos","linux"],"confidence":0.7,"needs_auth":"no","worst_case":"Code runs inside the browser sandbox on the user's machine","analyst_note":"","how_to_check":"Run chrome://version in Chrome and compare the version with 156.0.8078.47.\nunknown","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000483,"input_tokens":2948,"output_tokens":376,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113327':17A,20A '-2026':16A,19A '156.0.8078.47':88C 'allow':89C 'arbitrari':48B,95C 'attack':46B,92C 'browser':23B,52B 'bug':35B 'chrome':1A,22A,24B,42B,85C 'chromecast':2A,38B,82C 'chromium':105C 'code':12A,49B,63B,96C 'compon':39B 'craft':9A,59B,102C 'cve':15A,18A 'escap':75B 'execut':64B,94C 'flaw':73B 'foothold':67B 'free':6A,34B,80C 'googl':41B,84C 'google':21A 'html':60B,103C 'insid':50B,97C 'let':7A,43B 'linux':25B 'maco':26B 'medium':108C 'need':70B 'open':57B 'packag':28B 'page':10A,61B,104C 'prior':86C 'remot':45B,91C 'run':11A,47B 'sandbox':14A,53B,62B,77B,99C 'second':72B 'secur':106C 'sever':107C 'use':4A,32B,78C 'use-after-fre':3A,31B 'usual':69B 'via':100C 'victim':56B 'window':29B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:27+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-2026-113327","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113327","severity":null,"published_at":"2026-10-20T22:19:27+00:00","modified_at":"2026-10-21T17:04:00+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"}