{"id":"CVE-2026-113065","kind":"vulnerability","aliases":["CVE-2026-113065"],"related":[],"title":"Chrome: media use-after-free lets a crafted page run code in sandbox","description":"Use after free in Media 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 Chrome's Media component lets a remote attacker run arbitrary code inside the browser sandbox when a victim opens a crafted HTML page. The sandbox limits what that code can do on the machine, but it is still code execution from a web 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":["browser","chrome","desktop","linux","macos","other","vendor","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.\nOn Linux or macOS: google-chrome --version (or the installed Chrome app's version).","fix":"Update Google Chrome to 156.0.8078.47 or later and restart the browser.\nFor managed fleets, push the update through the enterprise update policy.","status":"open","published_at":"2026-10-20T22:18:57+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:37:44+00:00","updated_at":"2026-10-23T22:37:44+00:00","category":"vendor","confidence":0.8,"triage":{"at":"2026-10-23T22:37:44Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later and restart the browser.\nFor managed fleets, push the update through the enterprise update policy.","reach":"internet","title":"Chrome: media use-after-free lets a crafted page run code in sandbox","impact":"high","summary":"A use-after-free bug in Chrome's Media component lets a remote attacker run arbitrary code inside the browser sandbox when a victim opens a crafted HTML page. The sandbox limits what that code can do on the machine, but it is still code execution from a web page.","category":"vendor","who_cares":["chrome","desktop","windows","macos","linux"],"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":"Run chrome://version in Chrome and compare the version with 156.0.8078.47.\nOn Linux or macOS: google-chrome --version (or the installed Chrome app's version).\nunknown for managed fleets beyond the browser version.","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":0.000512,"input_tokens":2946,"output_tokens":435,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113065':17A,20A '-2026':16A,19A '156.0.8078.47':92C 'allow':93C 'arbitrari':47B,99C 'attack':45B,96C 'browser':23B,51B 'bug':36B 'chrome':1A,22A,24B,38B,89C 'chromium':109C 'code':12A,48B,66B,76B,100C 'compon':41B 'craft':9A,58B,106C 'cve':15A,18A 'desktop':25B 'execut':77B,98C 'free':6A,35B,84C 'googl':88C 'google':21A 'html':59B,107C 'insid':49B,101C 'let':7A,42B 'limit':63B 'linux':26B 'machin':71B 'maco':27B 'media':2A,40B,86C 'medium':112C 'open':56B 'page':10A,60B,81B,108C 'prior':90C 'remot':44B,95C 'run':11A,46B 'sandbox':14A,52B,62B,103C 'secur':110C 'sever':111C 'still':75B 'use':4A,33B,82C 'use-after-fre':3A,32B 'vendor':29B 'via':104C 'victim':55B 'web':80B 'window':30B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:57+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-2026-113065","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113065","severity":null,"published_at":"2026-10-20T22:18:57+00:00","modified_at":"2026-10-21T17:10:25+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"}