{"id":"CVE-2026-113039","kind":"vulnerability","aliases":["CVE-2026-113039"],"related":[],"title":"Chrome: bookmarks use-after-free lets a crafted page run code in sandbox","description":"Use after free in Bookmarks 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 use-after-free bug in Chrome's Bookmarks feature lets a remote attacker run arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. The attacker gets code execution in the renderer sandbox, not full system control, per the description.","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","other","package"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Open chrome://version and check the version; it is affected if below 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:18:54+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:37:59+00:00","updated_at":"2026-10-23T22:37:59+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:37:59Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.\nunknown","reach":"internet","title":"Chrome: bookmarks use-after-free lets a crafted page run code in sandbox","impact":"high","summary":"A use-after-free bug in Chrome's Bookmarks feature lets a remote attacker run arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. The attacker gets code execution in the renderer sandbox, not full system control, per the description.","category":"package","who_cares":["chrome","desktop","browsers"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs arbitrary code inside the Chrome sandbox","analyst_note":"","how_to_check":"Open chrome://version and check the version; it is affected if below 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":"no","severity_if_unknown":"unknown"},"cost_usd":0.000479,"input_tokens":2944,"output_tokens":370,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113039':17A,20A '-2026':16A,19A '156.0.8078.47':85C 'allow':86C 'arbitrari':44B,92C 'attack':42B,60B,89C 'bookmark':2A,37B,79C 'browser':23B,48B 'bug':33B 'chrome':1A,22A,24B,35B,82C 'chromium':102C 'code':12A,45B,62B,93C 'control':71B 'craft':9A,56B,99C 'cve':15A,18A 'descript':74B 'desktop':25B 'execut':63B,91C 'featur':38B 'free':6A,32B,77C 'full':69B 'get':61B 'googl':81C 'google':21A 'html':57B,100C 'insid':46B,94C 'let':7A,39B 'low':105C 'lure':51B 'packag':27B 'page':10A,58B,101C 'per':72B 'prior':83C 'remot':41B,88C 'render':66B 'run':11A,43B 'sandbox':14A,49B,67B,96C 'secur':103C 'sever':104C 'system':70B 'use':4A,30B,75C 'use-after-fre':3A,29B 'user':53B 'via':97C","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-2026-113039","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113039","severity":null,"published_at":"2026-10-20T22:18:54+00:00","modified_at":"2026-10-21T19:24:02+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"}