{"id":"CVE-2026-113047","kind":"vulnerability","aliases":["CVE-2026-113047"],"related":[],"title":"Google Chrome: crafted HTML page can read sandboxed memory via BrowserTag","description":"Memory corruption in BrowserTag in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Low)","summary":"A memory corruption bug in the BrowserTag component of Google Chrome, before 156.0.8078.47, lets a remote attacker read memory inside the browser sandbox when a victim opens a crafted HTML page. The attacker gets information from the sandboxed renderer, not code execution outside the sandbox according to the source description.","severity":"medium","cvss":6.5,"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","other"],"not_affected_if":["chrome-at-or-above-156.0.8078.47"],"how_to_check":"- Run `chrome --version` (or check the version under chrome://settings/help) and compare with `156.0.8078.47`\n- On managed fleets, query the installed Chrome version through your endpoint management tool","fix":"- Update Google Chrome to `156.0.8078.47` or later","status":"open","published_at":"2026-10-20T22:18:55+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-25T03:53:23+00:00","updated_at":"2026-10-25T03:53:23+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-10-25T03:53:23Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome to `156.0.8078.47` or later","reach":"internet","title":"Google Chrome: crafted HTML page can read sandboxed memory via BrowserTag","impact":"low","summary":"A memory corruption bug in the BrowserTag component of Google Chrome, before 156.0.8078.47, lets a remote attacker read memory inside the browser sandbox when a victim opens a crafted HTML page. The attacker gets information from the sandboxed renderer, not code execution outside the sandbox according to the source description.","category":"other","nicknames":[],"who_cares":["chrome","endpoints","browsers"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker reads some sandboxed browser memory after the victim visits a page","analyst_note":"","how_to_check":"- Run `chrome --version` (or check the version under chrome://settings/help) and compare with `156.0.8078.47`\n- On managed fleets, query the installed Chrome version through your endpoint management tool","needs_analyst":false,"not_affected_if":["chrome-at-or-above-156.0.8078.47"],"who_is_affected":"Any machine running Google Chrome before 156.0.8078.47 is exposed when a user visits an attacker-controlled page. Teams that manage browsers on endpoints should check their fleet; servers without a graphical browser are unlikely to be affected.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000593,"input_tokens":3337,"output_tokens":519,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113047':14A,17A '-2026':13A,16A '156.0.8078.47':35B,82C 'accord':68B 'allow':83C 'attack':39B,55B,86C 'browser':20B,44B 'browsertag':11A,29B,76C 'bug':26B 'chrome':2A,19A,21B,33B,79C 'chromium':99C 'code':63B 'compon':30B 'corrupt':25B,74C 'craft':3A,51B,96C 'cve':12A,15A 'descript':72B 'endpoint':22B 'execut':64B 'get':56B 'googl':1A,32B,78C 'google':18A 'html':4A,52B,97C 'inform':57B 'insid':42B,91C 'let':36B 'low':102C 'memori':9A,24B,41B,73C,90C 'open':49B 'outsid':65B 'page':5A,53B,98C 'potenti':88C 'prior':80C 'read':7A,40B,89C 'remot':38B,85C 'render':61B 'sandbox':8A,45B,60B,67B,93C 'secur':100C 'sever':101C 'sourc':71B 'via':10A,94C 'victim':48B","nicknames":[],"mitigations":[],"who_affected":"Any machine running Google Chrome before 156.0.8078.47 is exposed when a user visits an attacker-controlled page. Teams that manage browsers on endpoints should check their fleet; servers without a graphical browser are unlikely to be affected.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:55+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113047","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113047","severity":null,"published_at":"2026-10-20T22:18:55+00:00","modified_at":"2026-10-22T15:38:01+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"}