{"id":"CVE-2026-113165","kind":"vulnerability","aliases":["CVE-2026-113165"],"related":[],"title":"Chrome on Mac: use-after-free lets a crafted web page run code","description":"Use after free in Core in Google Chrome on on Mac 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 Core component on Mac lets a remote attacker run arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. The sources do not say whether a sandbox escape is also possible.","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","macos","other","package"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run Chrome, open the menu, go to Help > About Google Chrome, and read the version; it must be 156.0.8078.47 or later.","fix":"Update Google Chrome on Mac to 156.0.8078.47 or later and relaunch the browser.","status":"open","published_at":"2026-10-20T22:19:09+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:39+00:00","updated_at":"2026-10-23T22:36:39+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:36:39Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome on Mac to 156.0.8078.47 or later and relaunch the browser.","reach":"internet","title":"Chrome on Mac: use-after-free lets a crafted web page run code","impact":"high","summary":"A use-after-free bug in Chrome's Core component on Mac lets a remote attacker run arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. The sources do not say whether a sandbox escape is also possible.","category":"package","who_cares":["chrome","macos"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs arbitrary code inside Chrome's sandbox on the user's Mac.","analyst_note":"","how_to_check":"Run Chrome, open the menu, go to Help > About Google Chrome, and read the version; it must be 156.0.8078.47 or later.\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":0.000486,"input_tokens":2940,"output_tokens":384,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113165':17A,20A '-2026':16A,19A '156.0.8078.47':86C 'allow':87C 'also':71B 'arbitrari':46B,93C 'attack':44B,90C 'browser':23B,50B 'bug':33B 'chrome':1A,22A,24B,35B,80C 'chromium':103C 'code':14A,47B,94C 'compon':38B 'core':37B,77C 'craft':10A,58B,100C 'cve':15A,18A 'escap':69B 'execut':92C 'free':7A,32B,75C 'googl':79C 'google':21A 'html':59B,101C 'insid':48B,95C 'let':8A,41B 'lure':53B 'mac':3A,40B,83C 'maco':25B 'medium':106C 'packag':27B 'page':12A,60B,102C 'possibl':72B 'prior':84C 'remot':43B,89C 'run':13A,45B 'sandbox':51B,68B,97C 'say':65B 'secur':104C 'sever':105C 'sourc':62B 'use':5A,30B,73C 'use-after-fre':4A,29B 'user':55B 'via':98C 'web':11A 'whether':66B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:09+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-2026-113165","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113165","severity":null,"published_at":"2026-10-20T22:19:09+00:00","modified_at":"2026-10-22T15:25:32+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"}