{"id":"CVE-2026-113010","kind":"vulnerability","aliases":["CVE-2026-113010"],"related":[],"title":"Google Chrome: out-of-bounds read in Extensions leaks sandboxed memory","description":"Out of bounds read in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"A crafted HTML page can make Google Chrome read memory outside a buffer in its Extensions component, inside the browser sandbox. An attacker can read data held in that process, which may include information useful for a later exploit.","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","desktop","managed-endpoints","vendor"],"not_affected_if":["chrome-156.0.8078.47-or-later"],"how_to_check":"- Open `chrome://version` and compare the version against `156.0.8078.47`\n- On managed fleets, query the installed Chrome version with your device management tool","fix":"- Update Google Chrome to `156.0.8078.47` or later\n- Restart the browser after the update so the new version runs","status":"open","published_at":"2026-10-20T22:18:51+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-25T03:53:27+00:00","updated_at":"2026-10-25T03:53:27+00:00","category":"vendor","confidence":0.8,"triage":{"at":"2026-10-25T03:53:27Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome to `156.0.8078.47` or later\n- Restart the browser after the update so the new version runs","reach":"internet","title":"Google Chrome: out-of-bounds read in Extensions leaks sandboxed memory","impact":"low","summary":"A crafted HTML page can make Google Chrome read memory outside a buffer in its Extensions component, inside the browser sandbox. An attacker can read data held in that process, which may include information useful for a later exploit.","category":"vendor","nicknames":[],"who_cares":["chrome","browsers","desktop","managed-endpoints"],"confidence":0.8,"needs_auth":"no","worst_case":"attacker reads sandboxed browser process memory via crafted page","analyst_note":"","how_to_check":"- Open `chrome://version` and compare the version against `156.0.8078.47`\n- On managed fleets, query the installed Chrome version with your device management tool","needs_analyst":false,"not_affected_if":["chrome-156.0.8078.47-or-later"],"who_is_affected":"Any machine running Google Chrome older than 156.0.8078.47 is exposed when a user visits a malicious page. Exploitation needs the user to load the attacker's page, and the attacker gets read access inside the sandbox only. Machines already on 156.0.8078.47 or later are not affected.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000583,"input_tokens":3333,"output_tokens":500,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113010':15A,18A '-2026':14A,17A '156.0.8078.47':78C 'allow':79C 'attack':50B,82C 'bound':6A,69C 'browser':21B,47B 'buffer':40B 'chrome':2A,20A,22B,35B,75C 'chromium':94C 'compon':44B 'craft':29B,91C 'cve':13A,16A 'data':53B 'desktop':23B 'endpoint':26B 'exploit':66B 'extens':9A,43B,72C 'googl':1A,34B,74C 'google':19A 'held':54B 'html':30B,92C 'includ':60B 'inform':61B 'insid':45B,86C 'later':65B 'leak':10A 'make':33B 'manag':25B 'managed-endpoint':24B 'may':59B 'medium':97C 'memori':12A,37B,85C 'out-of-bound':3A 'outsid':38B 'page':31B,93C 'prior':76C 'process':57B 'read':7A,36B,52B,70C,84C 'remot':81C 'sandbox':11A,48B,88C 'secur':95C 'sever':96C 'use':62B 'vendor':27B 'via':89C","nicknames":[],"mitigations":[],"who_affected":"Any machine running Google Chrome older than 156.0.8078.47 is exposed when a user visits a malicious page. Exploitation needs the user to load the attacker's page, and the attacker gets read access inside the sandbox only. Machines already on 156.0.8078.47 or later are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:51+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113010","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113010","severity":null,"published_at":"2026-10-20T22:18:51+00:00","modified_at":"2026-10-21T20:17:24+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"}