{"id":"CVE-2026-113299","kind":"vulnerability","aliases":["CVE-2026-113299"],"related":[],"title":"Chrome: WebProtect memory corruption lets a crafted page run code in sandbox","description":"Memory corruption in WebProtect 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: Low)","summary":"Google Chrome before 156.0.8078.47 has a memory corruption bug in its WebProtect component. A remote attacker who lures a user to a crafted HTML page can potentially execute arbitrary code inside the browser sandbox.","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","endpoints","package","runtime"],"not_affected_if":["already-updated-chrome"],"how_to_check":"Open chrome://settings/help and read the installed version; anything below 156.0.8078.47 is affected.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:24+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:16+00:00","updated_at":"2026-10-23T22:35:16+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:35:16Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: WebProtect memory corruption lets a crafted page run code in sandbox","impact":"medium","summary":"Google Chrome before 156.0.8078.47 has a memory corruption bug in its WebProtect component. A remote attacker who lures a user to a crafted HTML page can potentially execute arbitrary code inside the browser sandbox.","category":"package","who_cares":["chrome","browsers","endpoints"],"confidence":0.8,"needs_auth":"no","worst_case":"code runs inside the browser sandbox after a visit to a page","analyst_note":"","how_to_check":"Open chrome://settings/help and read the installed version; anything below 156.0.8078.47 is affected.","needs_analyst":false,"not_affected_if":["already-updated-chrome"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000467,"input_tokens":2948,"output_tokens":344,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113299':15A,18A '-2026':14A,17A '156.0.8078.47':29B,69C 'allow':70C 'arbitrari':54B,77C 'attack':41B,73C 'browser':21B,58B 'bug':34B 'chrome':1A,20A,22B,27B,66C 'chromium':87C 'code':10A,55B,78C 'compon':38B 'corrupt':4A,33B,61C 'craft':7A,48B,84C 'cve':13A,16A 'endpoint':23B 'execut':53B,76C 'googl':26B,65C 'google':19A 'html':49B,85C 'insid':56B,79C 'let':5A 'low':90C 'lure':43B 'memori':3A,32B,60C 'packag':24B 'page':8A,50B,86C 'potenti':52B,75C 'prior':67C 'remot':40B,72C 'run':9A 'runtim':25B 'sandbox':12A,59B,81C 'secur':88C 'sever':89C 'user':45B 'via':82C 'webprotect':2A,37B,63C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:24+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-2026-113299","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113299","severity":null,"published_at":"2026-10-20T22:19:24+00:00","modified_at":"2026-10-21T17:06:39+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"}