{"id":"CVE-2026-113253","kind":"vulnerability","aliases":["CVE-2026-113253"],"related":[],"title":"Chrome: Canvas use-after-free lets a crafted page run code","description":"Use after free in Canvas 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: High)","summary":"A use-after-free bug in Chrome's Canvas component lets a remote attacker run arbitrary code inside the browser sandbox through a crafted HTML page. Visiting an attacker-controlled page is enough to trigger it.","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","endpoints","runtime"],"not_affected_if":["already-updated-chrome"],"how_to_check":"Open chrome://settings/help and read the version; it is affected if it is below 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:18+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:44+00:00","updated_at":"2026-10-23T22:35:44+00:00","category":"runtime","confidence":0.8,"triage":{"at":"2026-10-23T22:35:44Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: Canvas use-after-free lets a crafted page run code","impact":"high","summary":"A use-after-free bug in Chrome's Canvas component lets a remote attacker run arbitrary code inside the browser sandbox through a crafted HTML page. Visiting an attacker-controlled page is enough to trigger it.","category":"runtime","who_cares":["chrome","browsers","desktop","endpoints"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after a visit to a crafted page","analyst_note":"","how_to_check":"Open chrome://settings/help and read the version; it is affected if it is below 156.0.8078.47.","needs_analyst":false,"not_affected_if":["already-updated-chrome"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000467,"input_tokens":2947,"output_tokens":345,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113253':15A,18A '-2026':14A,17A '156.0.8078.47':73C 'allow':74C 'arbitrari':42B,80C 'attack':40B,56B,77C 'attacker-control':55B 'browser':21B,46B 'bug':31B 'canva':2A,35B,67C 'chrome':1A,20A,22B,33B,70C 'chromium':90C 'code':12A,43B,81C 'compon':36B 'control':57B 'craft':9A,50B,87C 'cve':13A,16A 'desktop':23B 'endpoint':24B 'enough':60B 'execut':79C 'free':6A,30B,65C 'googl':69C 'google':19A 'high':93C 'html':51B,88C 'insid':44B,82C 'let':7A,37B 'page':10A,52B,58B,89C 'prior':71C 'remot':39B,76C 'run':11A,41B 'runtim':25B 'sandbox':47B,84C 'secur':91C 'sever':92C 'trigger':62B 'use':4A,28B,63C 'use-after-fre':3A,27B 'via':85C 'visit':53B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:18+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-2026-113253","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113253","severity":null,"published_at":"2026-10-20T22:19:18+00:00","modified_at":"2026-10-22T12:04:09+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"}