{"id":"CVE-2026-113066","kind":"vulnerability","aliases":["CVE-2026-113066"],"related":[],"title":"Google Chrome: font memory flaw lets a crafted page read sandbox memory","description":"Memory corruption in Fonts 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: Low)","summary":"A memory corruption bug in Chrome's font handling lets a remote attacker read memory inside the browser sandbox when the victim opens a crafted HTML page. The sources describe a read-only memory disclosure, not code execution.","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":["browser","chrome","desktop","managed-endpoints","vendor"],"not_affected_if":["auto-update-current","chrome-156-or-later"],"how_to_check":"- Open Chrome, go to `chrome://settings/help` and note the version; it is affected if it is below `156.0.8078.47`\n- On managed machines, run `google-chrome --version` (Linux) or check the installed version through your device management console","fix":"- Update Google Chrome to `156.0.8078.47` or later, then restart the browser\n- Confirm that managed browser fleets have received the update","status":"open","published_at":"2026-10-20T22:18:58+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-25T03:53:20+00:00","updated_at":"2026-10-25T03:53:20+00:00","category":"vendor","confidence":0.8,"triage":{"at":"2026-10-25T03:53:20Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome to `156.0.8078.47` or later, then restart the browser\n- Confirm that managed browser fleets have received the update","reach":"internet","title":"Google Chrome: font memory flaw lets a crafted page read sandbox memory","impact":"low","summary":"A memory corruption bug in Chrome's font handling lets a remote attacker read memory inside the browser sandbox when the victim opens a crafted HTML page. The sources describe a read-only memory disclosure, not code execution.","category":"vendor","nicknames":[],"who_cares":["chrome","browser","desktop","managed-endpoints"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker reads memory inside the browser sandbox via a crafted page","analyst_note":"","how_to_check":"- Open Chrome, go to `chrome://settings/help` and note the version; it is affected if it is below `156.0.8078.47`\n- On managed machines, run `google-chrome --version` (Linux) or check the installed version through your device management console","needs_analyst":false,"not_affected_if":["chrome-156-or-later","auto-update-current"],"who_is_affected":"Any device running Google Chrome before `156.0.8078.47` is exposed when a user visits a malicious or compromised web page. Teams that run only fully updated Chrome, or that browse with auto-update enabled and a current version, can skip it. Chromium-based browsers that ship their own Chrome build may need their own update.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000607,"input_tokens":3332,"output_tokens":547,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113066':15A,18A '-2026':14A,17A '156.0.8078.47':76C 'allow':77C 'attack':40B,80C 'browser':21B,45B 'bug':31B 'chrome':2A,20A,22B,33B,73C 'chromium':92C 'code':65B 'corrupt':30B,68C 'craft':8A,52B,89C 'cve':13A,16A 'describ':57B 'desktop':23B 'disclosur':63B 'endpoint':26B 'execut':66B 'flaw':5A 'font':3A,35B,70C 'googl':1A,72C 'google':19A 'handl':36B 'html':53B,90C 'insid':43B,84C 'let':6A,37B 'low':95C 'manag':25B 'managed-endpoint':24B 'memori':4A,12A,29B,42B,62B,67C,83C 'open':50B 'page':9A,54B,91C 'prior':74C 'read':10A,41B,60B,82C 'read-on':59B 'remot':39B,79C 'sandbox':11A,46B,86C 'secur':93C 'sever':94C 'sourc':56B 'vendor':27B 'via':87C 'victim':49B","nicknames":[],"mitigations":[],"who_affected":"Any device running Google Chrome before `156.0.8078.47` is exposed when a user visits a malicious or compromised web page. Teams that run only fully updated Chrome, or that browse with auto-update enabled and a current version, can skip it. Chromium-based browsers that ship their own Chrome build may need their own update.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:58+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-2026-113066","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113066","severity":null,"published_at":"2026-10-20T22:18:58+00:00","modified_at":"2026-10-21T17:10:21+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"}