{"id":"CVE-2026-113189","kind":"vulnerability","aliases":["CVE-2026-113189"],"related":[],"title":"Chrome: use-after-free lets a crafted web page run code outside sandbox","description":"Use after free in Core in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"A memory-handling bug in Chrome's Core component lets a remote attacker run arbitrary code outside the browser sandbox by getting a user to load a crafted HTML page. The attacker gets code execution on the user's machine with no account needed.","severity":"critical","cvss":9.6,"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-users","other","vendor"],"not_affected_if":["already-updated-chrome"],"how_to_check":"Run chrome://version in the browser and compare the version to 156.0.8078.47.\nOn managed fleets, query the installed Chrome version through your device management tool.","fix":"Update Google Chrome to 156.0.8078.47 or later and relaunch the browser.","status":"open","published_at":"2026-10-20T22:19:11+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:22+00:00","updated_at":"2026-10-23T22:36:22+00:00","category":"vendor","confidence":0.8,"triage":{"at":"2026-10-23T22:36:22Z","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: use-after-free lets a crafted web page run code outside sandbox","impact":"high","summary":"A memory-handling bug in Chrome's Core component lets a remote attacker run arbitrary code outside the browser sandbox by getting a user to load a crafted HTML page. The attacker gets code execution on the user's machine with no account needed.","category":"vendor","who_cares":["chrome","desktop-users","browser"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code on the user's machine after the page loads.","analyst_note":"","how_to_check":"Run chrome://version in the browser and compare the version to 156.0.8078.47.\nOn managed fleets, query the installed Chrome version through your device management tool.","needs_analyst":false,"not_affected_if":["already-updated-chrome"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"critical"},"cost_usd":0.000479,"input_tokens":2940,"output_tokens":369,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-113189':17A,20A '-2026':16A,19A '156.0.8078.47':85C 'account':73B 'allow':86C 'arbitrari':45B,92C 'attack':43B,62B,89C 'browser':23B,49B 'bug':34B 'chrome':1A,22A,24B,36B,82C 'chromium':102C 'code':12A,46B,64B,93C 'compon':39B 'core':38B,79C 'craft':8A,58B,99C 'cve':15A,18A 'desktop':26B 'desktop-us':25B 'execut':65B,91C 'free':5A,77C 'get':52B,63B 'googl':81C 'google':21A 'handl':33B 'html':59B,100C 'let':6A,40B 'load':56B 'machin':70B 'medium':105C 'memori':32B 'memory-handl':31B 'need':74B 'outsid':13A,47B,94C 'page':10A,60B,101C 'prior':83C 'remot':42B,88C 'run':11A,44B 'sandbox':14A,50B,96C 'secur':103C 'sever':104C 'use':3A,75C 'use-after-fre':2A 'user':27B,54B,68B 'vendor':29B 'via':97C 'web':9A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:11+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113189","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113189","severity":null,"published_at":"2026-10-20T22:19:11+00:00","modified_at":"2026-10-22T23:18:27+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"}