{"id":"CVE-2026-113269","kind":"vulnerability","aliases":["CVE-2026-113269"],"related":[],"title":"Chrome: memory corruption in BrowserTag lets crafted page run code","description":"Memory corruption in BrowserTag 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":"A memory corruption bug in Google Chrome's BrowserTag component lets a remote attacker run arbitrary code inside the browser sandbox by serving a crafted HTML page. The attacker gets code execution in the renderer sandbox, not full system access, unless chained with a sandbox escape.","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","desktop","linux","macos","package","runtime","windows"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version in the browser and check whether the version is below 156.0.8078.47.\nOn managed machines, check the installed Chrome version with the fleet management tool.","fix":"Update Google Chrome to 156.0.8078.47 or later.\nRestart the browser after the update so the new version runs.","status":"open","published_at":"2026-10-20T22:19:20+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:34+00:00","updated_at":"2026-10-23T22:35:34+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:35:34Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.\nRestart the browser after the update so the new version runs.","reach":"internet","title":"Chrome: memory corruption in BrowserTag lets crafted page run code","impact":"high","summary":"A memory corruption bug in Google Chrome's BrowserTag component lets a remote attacker run arbitrary code inside the browser sandbox by serving a crafted HTML page. The attacker gets code execution in the renderer sandbox, not full system access, unless chained with a sandbox escape.","category":"package","who_cares":["chrome","desktop","windows","macos","linux"],"confidence":0.8,"needs_auth":"no","worst_case":"Code runs inside the Chrome sandbox after a user visits a crafted page","analyst_note":"","how_to_check":"Run chrome://version in the browser and check whether the version is below 156.0.8078.47.\nOn managed machines, check the installed Chrome version with the fleet management tool.","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000503,"input_tokens":2957,"output_tokens":414,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113269':13A,16A '-2026':12A,15A '156.0.8078.47':82C 'access':66B 'allow':83C 'arbitrari':42B,90C 'attack':40B,55B,86C 'browser':19B,46B 'browsertag':5A,35B,76C 'bug':30B 'chain':68B 'chrome':1A,18A,20B,33B,79C 'chromium':100C 'code':10A,43B,57B,91C 'compon':36B 'corrupt':3A,29B,74C 'craft':7A,51B,97C 'cve':11A,14A 'desktop':21B 'escap':72B 'execut':58B,89C 'full':64B 'get':56B 'googl':32B,78C 'google':17A 'html':52B,98C 'insid':44B,92C 'let':6A,37B 'linux':22B 'low':103C 'maco':23B 'memori':2A,28B,73C 'packag':24B 'page':8A,53B,99C 'potenti':88C 'prior':80C 'remot':39B,85C 'render':61B 'run':9A,41B 'runtim':25B 'sandbox':47B,62B,71B,94C 'secur':101C 'serv':49B 'sever':102C 'system':65B 'unless':67B 'via':95C 'window':26B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:20+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-2026-113269","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113269","severity":null,"published_at":"2026-10-20T22:19:20+00:00","modified_at":"2026-10-21T17:08:49+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"}