{"id":"CVE-2014-4148","kind":"vulnerability","aliases":["CVE-2014-4148"],"related":[],"title":"Microsoft Windows: Microsoft Windows Remote Code Execution Vulnerability","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted TrueType font, as exploited in the wild in October 2014, aka \"TrueType Font Parsing Remote Code Execution Vulnerability.\"","summary":"Windows contains a flaw in how the kernel-mode driver handles TrueType fonts. An attacker who gets a crafted font to a Windows machine can run code with kernel privileges.","severity":"critical","cvss":9.3,"epss":0.5985,"exploited":true,"exploited_at":"2022-05-25T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","windows"],"not_affected_if":["patched-windows"],"how_to_check":null,"fix":"Apply the Microsoft update for CVE-2014-4148 per vendor instructions (CISA KEV required action); the specific KB number is not in the sources.","status":"open","published_at":"2014-10-15T10:55:08+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:13:01+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:13:01Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft update for CVE-2014-4148 per vendor instructions (CISA KEV required action); the specific KB number is not in the sources.","reach":"internet","impact":"high","summary":"Windows contains a flaw in how the kernel-mode driver handles TrueType fonts. An attacker who gets a crafted font to a Windows machine can run code with kernel privileges.","category":"infrastructure","who_cares":["windows"],"confidence":0.6,"needs_auth":"no","worst_case":"Remote code execution with kernel privileges on the Windows machine","analyst_note":"Confirm the Microsoft bulletin (MS14-058) and KB numbers and affected Windows builds at https://api.msrc.microsoft.com or the CISA KEV entry, to fill how_to_check and fix.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["patched-windows"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000459,"input_tokens":2817,"output_tokens":354,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2014':10A,13A '-4148':11A,14A '2003':62C '2008':69C '2012':83C '2014':112C '7':75C '8':78C '8.1':80C,92C 'aka':113C 'allow':93C 'arbitrari':98C 'attack':35B,95C 'code':6A,47B,99C,118C 'contain':21B 'craft':39B,102C 'cve':9A,12A 'driver':30B,57C 'execut':7A,97C,119C 'exploit':17B,106C 'flaw':23B 'font':33B,40B,104C,115C 'get':37B 'gold':84C,90C 'handl':31B 'infrastructur':18B 'kernel':28B,49B,55C 'kernel-mod':27B,54C 'machin':44B 'microsoft':1A,3A,15A,59C 'mode':29B,56C 'octob':111C 'pars':116C 'privileg':50B 'r2':72C,86C 'remot':5A,94C,117C 'rt':89C 'run':46B 'server':61C,68C,82C 'sp1':73C,76C 'sp2':63C,66C,70C 'truetyp':32B,103C,114C 'via':100C 'vista':65C 'vulner':8A,120C 'wild':109C 'win32k.sys':51C 'window':2A,4A,19B,20B,43B,60C,64C,67C,74C,77C,79C,81C,88C 'windows':16A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2014-10-15T10:55:08+00:00","kev":{"dateAdded":"2022-05-25","dueDate":"2022-06-15","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2014-4148","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2014-4148","severity":null,"published_at":"2022-05-25T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T17:39:57+00:00","note":null},{"source":"epss","external_id":"CVE-2014-4148","url":"https://api.first.org/data/v1/epss?cve=CVE-2014-4148","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2014-4148","url":"https://nvd.nist.gov/vuln/detail/CVE-2014-4148","severity":null,"published_at":"2014-10-15T10:55:08+00:00","modified_at":"2026-06-17T00:09:30+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+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"}