{"id":"CVE-2026-113114","kind":"vulnerability","aliases":["CVE-2026-113114"],"related":[],"title":"Google Chrome: use-after-free in sign-in lets a web page run code","description":"Use after free in SignIn 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: Low)","summary":"A memory-corruption bug in Chrome's SignIn component lets a remote attacker run code inside the browser sandbox by serving a crafted HTML page. Sources rate it high (CVSS 8.8) but Chromium's own rating is Low, and the sandbox limits what the code can reach.","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-users","chrome","desktop","other"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version in Chrome and compare the version to 156.0.8078.47.\nOn managed machines, check the Chrome version across the fleet with your MDM or endpoint tool.","fix":"Update Google Chrome to 156.0.8078.47 or later.\nRestart the browser after the update so the new version is running.","status":"open","published_at":"2026-10-20T22:19:03+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:37:13+00:00","updated_at":"2026-10-23T22:37:13+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:37:13Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.\nRestart the browser after the update so the new version is running.","reach":"internet","title":"Google Chrome: use-after-free in sign-in lets a web page run code","impact":"high","summary":"A memory-corruption bug in Chrome's SignIn component lets a remote attacker run code inside the browser sandbox by serving a crafted HTML page. Sources rate it high (CVSS 8.8) but Chromium's own rating is Low, and the sandbox limits what the code can reach.","category":"other","who_cares":["chrome","desktop","browser-users"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker code runs inside the Chrome sandbox after a visit to a crafted page.","analyst_note":"","how_to_check":"Run chrome://version in Chrome and compare the version to 156.0.8078.47.\nOn managed machines, check the Chrome version across the fleet with your MDM or endpoint tool.","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000505,"input_tokens":2942,"output_tokens":421,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113114':19A,22A '-2026':18A,21A '156.0.8078.47':88C '8.8':61B 'allow':89C 'arbitrari':95C 'attack':43B,92C 'browser':26B,48B 'browser-us':25B 'bug':34B 'chrome':2A,24A,28B,36B,85C 'chromium':63B,105C 'code':16A,45B,75B,96C 'compon':39B 'corrupt':33B 'craft':53B,102C 'cve':17A,20A 'cvss':60B 'desktop':29B 'execut':94C 'free':6A,80C 'googl':1A,84C 'google':23A 'high':59B 'html':54B,103C 'insid':46B,97C 'let':11A,40B 'limit':72B 'low':68B,108C 'memori':32B 'memory-corrupt':31B 'page':14A,55B,104C 'prior':86C 'rate':57B,66B 'reach':77B 'remot':42B,91C 'run':15A,44B 'sandbox':49B,71B,99C 'secur':106C 'serv':51B 'sever':107C 'sign':9A 'sign-in':8A 'signin':38B,82C 'sourc':56B 'use':4A,78C 'use-after-fre':3A 'user':27B 'via':100C 'web':13A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:03+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-2026-113114","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113114","severity":null,"published_at":"2026-10-20T22:19:03+00:00","modified_at":"2026-10-21T17:25:04+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"}