{"id":"CVE-2026-113064","kind":"vulnerability","aliases":["CVE-2026-113064"],"related":[],"title":"Chrome: crafted web page can corrupt memory and run code in sandbox","description":"Memory corruption in OptimizationGuide 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 the OptimizationGuide component of Google Chrome before 156.0.8078.47 lets a remote attacker run code inside the browser sandbox by serving a crafted HTML page. Visiting a malicious 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","managed-endpoints","runtime"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Open chrome://version in the browser and read the Chrome version number; anything below 156.0.8078.47 is affected.","fix":"Update Google Chrome to 156.0.8078.47 or later and restart the browser.","status":"open","published_at":"2026-10-20T22:18:57+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:37:46+00:00","updated_at":"2026-10-23T22:37:46+00:00","category":"runtime","confidence":0.8,"triage":{"at":"2026-10-23T22:37:46Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later and restart the browser.","reach":"internet","title":"Chrome: crafted web page can corrupt memory and run code in sandbox","impact":"high","summary":"A memory corruption flaw in the OptimizationGuide component of Google Chrome before 156.0.8078.47 lets a remote attacker run code inside the browser sandbox by serving a crafted HTML page. Visiting a malicious page is enough to trigger it.","category":"runtime","who_cares":["chrome","browsers","managed-endpoints"],"confidence":0.8,"needs_auth":"no","worst_case":"attacker runs code inside the Chrome sandbox via a web page","analyst_note":"","how_to_check":"Open chrome://version in the browser and read the Chrome version number; anything below 156.0.8078.47 is affected.","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000483,"input_tokens":2955,"output_tokens":374,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113064':15A,18A '-2026':14A,17A '156.0.8078.47':39B,73C 'allow':74C 'arbitrari':81C 'attack':43B,77C 'browser':21B,48B 'chrome':1A,20A,22B,37B,70C 'chromium':91C 'code':10A,45B,82C 'compon':34B 'corrupt':6A,29B,65C 'craft':2A,53B,88C 'cve':13A,16A 'endpoint':25B 'enough':61B 'execut':80C 'flaw':30B 'googl':36B,69C 'google':19A 'html':54B,89C 'insid':46B,83C 'let':40B 'malici':58B 'manag':24B 'managed-endpoint':23B 'medium':94C 'memori':7A,28B,64C 'optimizationguid':33B,67C 'page':4A,55B,59B,90C 'potenti':79C 'prior':71C 'remot':42B,76C 'run':9A,44B 'runtim':26B 'sandbox':12A,49B,85C 'secur':92C 'serv':51B 'sever':93C 'trigger':63B 'via':86C 'visit':56B 'web':3A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:57+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-2026-113064","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113064","severity":null,"published_at":"2026-10-20T22:18:57+00:00","modified_at":"2026-10-21T17:10:28+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"}