{"id":"CVE-2026-113027","kind":"vulnerability","aliases":["CVE-2026-113027"],"related":[],"title":"Chrome: WebFonts memory corruption lets a crafted page run code in sandbox","description":"Memory corruption in WebFonts 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 WebFonts handling. A remote attacker can use a crafted HTML page to 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","desktop","package","runtime"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Open chrome://settings/help in each managed browser and read the version; anything below 156.0.8078.47 is affected.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:18:53+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:38:06+00:00","updated_at":"2026-10-23T22:38:06+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:38:06Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: WebFonts 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 WebFonts handling. A remote attacker can use a crafted HTML page to potentially execute arbitrary code inside the browser sandbox.","category":"package","who_cares":["chrome","desktop","browsers"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker code runs inside the browser sandbox after a visit to a crafted page","analyst_note":"","how_to_check":"Open chrome://settings/help in each managed browser and read the version; anything below 156.0.8078.47 is affected.","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":0.000473,"input_tokens":2947,"output_tokens":357,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113027':15A,18A '-2026':14A,17A '156.0.8078.47':29B,66C 'allow':67C 'arbitrari':51B,74C 'attack':41B,70C 'browser':21B,55B 'bug':34B 'chrome':1A,20A,22B,27B,63C 'chromium':84C 'code':10A,52B,75C 'corrupt':4A,33B,58C 'craft':7A,45B,81C 'cve':13A,16A 'desktop':23B 'execut':50B,73C 'googl':26B,62C 'google':19A 'handl':38B 'html':46B,82C 'insid':53B,76C 'let':5A 'low':87C 'memori':3A,32B,57C 'packag':24B 'page':8A,47B,83C 'potenti':49B,72C 'prior':64C 'remot':40B,69C 'run':9A 'runtim':25B 'sandbox':12A,56B,78C 'secur':85C 'sever':86C 'use':43B 'via':79C 'webfont':2A,37B,60C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:53+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-2026-113027","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113027","severity":null,"published_at":"2026-10-20T22:18:53+00:00","modified_at":"2026-10-21T17:52:16+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"}