{"id":"CVE-2026-113148","kind":"vulnerability","aliases":["CVE-2026-113148"],"related":[],"title":"Chrome: WebUI memory corruption lets a crafted page run code in sandbox","description":"Memory corruption in WebUI in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"A memory corruption flaw in Chrome's WebUI pages lets a remote attacker who lures a user to a crafted HTML page run arbitrary code inside the browser sandbox. The sources score it high (CVSS 8.8) but note Chromium rates it Medium.","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","linux","macos","other","package","windows"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version in each browser install and compare the version with 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:07+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:49+00:00","updated_at":"2026-10-23T22:36:49+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-23T22:36:49Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: WebUI memory corruption lets a crafted page run code in sandbox","impact":"medium","summary":"A memory corruption flaw in Chrome's WebUI pages lets a remote attacker who lures a user to a crafted HTML page run arbitrary code inside the browser sandbox. The sources score it high (CVSS 8.8) but note Chromium rates it Medium.","category":"package","who_cares":["chrome","windows","macos","linux"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after a user visits a page","analyst_note":"","how_to_check":"Run chrome://version in each browser install and compare the version with 156.0.8078.47.","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":0.000476,"input_tokens":2951,"output_tokens":361,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113148':15A,18A '-2026':14A,17A '156.0.8078.47':79C '8.8':63B 'allow':80C 'arbitrari':51B,87C 'attack':40B,83C 'browser':21B,55B 'chrome':1A,20A,22B,33B,76C 'chromium':66B,97C 'code':10A,52B,88C 'corrupt':4A,30B,71C 'craft':7A,47B,94C 'cve':13A,16A 'cvss':62B 'execut':86C 'flaw':31B 'googl':75C 'google':19A 'high':61B 'html':48B,95C 'insid':53B,89C 'let':5A,37B 'linux':23B 'lure':42B 'maco':24B 'medium':69B,100C 'memori':3A,29B,70C 'note':65B 'packag':26B 'page':8A,36B,49B,96C 'potenti':85C 'prior':77C 'rate':67B 'remot':39B,82C 'run':9A,50B 'sandbox':12A,56B,91C 'score':59B 'secur':98C 'sever':99C 'sourc':58B 'user':44B 'via':92C 'webui':2A,35B,73C 'window':27B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:07+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-2026-113148","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113148","severity":null,"published_at":"2026-10-20T22:19:07+00:00","modified_at":"2026-10-22T15:32:23+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"}