{"id":"CVE-2014-4113","kind":"vulnerability","aliases":["CVE-2014-4113"],"related":[],"title":"Microsoft Win32k: Microsoft Win32k Privilege Escalation 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 local users to gain privileges via a crafted application, as exploited in the wild in October 2014, aka \"Win32k.sys Elevation of Privilege Vulnerability.\"","summary":"Microsoft Win32k, the Windows kernel graphics driver, contains a flaw that lets a local user raise their privileges. Attackers are exploiting it in the wild, so a low-privilege foothold on a Windows machine can become full control of it.","severity":"high","cvss":7.8,"epss":0.86928,"exploited":true,"exploited_at":"2022-05-04T00:00:00+00:00","products":[{"name":"Microsoft Win32k","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","windows"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the Microsoft update for CVE-2014-4113 per vendor instructions (CISA KEV required action). The affected and fixed build numbers are not in the sources.","status":"open","published_at":"2014-10-15T10:55:07+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:17:41+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:17:41Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft update for CVE-2014-4113 per vendor instructions (CISA KEV required action). The affected and fixed build numbers are not in the sources.","reach":"local","impact":"high","summary":"Microsoft Win32k, the Windows kernel graphics driver, contains a flaw that lets a local user raise their privileges. Attackers are exploiting it in the wild, so a low-privilege foothold on a Windows machine can become full control of it.","category":"infrastructure","who_cares":["windows"],"confidence":0.6,"needs_auth":"yes","worst_case":"Local user gains SYSTEM privileges on the Windows machine","analyst_note":"Find the Microsoft security bulletin for CVE-2014-4113 to confirm affected Windows builds, the patch KB, and a way to check patch level; check the KEV URL for the required action.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000465,"input_tokens":2813,"output_tokens":368,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2014':9A,12A '-4113':10A,13A '2003':69C '2008':76C '2012':90C '2014':117C '7':82C '8':85C '8.1':87C,99C 'aka':118C 'allow':100C 'applic':109C 'attack':37B 'becom':55B 'contain':26B 'control':57B 'craft':108C 'cve':8A,11A 'driver':25B,64C 'elev':120C 'escal':6A 'exploit':16B,39B,111C 'flaw':28B 'foothold':49B 'full':56B 'gain':104C 'gold':91C,97C 'graphic':24B 'infrastructur':17B 'kernel':23B,62C 'kernel-mod':61C 'let':30B 'local':32B,101C 'low':47B 'low-privileg':46B 'machin':53B 'microsoft':1A,3A,14A,19B,66C 'mode':63C 'octob':116C 'privileg':5A,36B,48B,105C,122C 'r2':79C,93C 'rais':34B 'rt':96C 'server':68C,75C,89C 'sp1':80C,83C 'sp2':70C,73C,77C 'user':33B,102C 'via':106C 'vista':72C 'vulner':7A,123C 'wild':43B,114C 'win32k':2A,4A,15A,20B 'win32k.sys':58C,119C 'window':18B,22B,52B,67C,71C,74C,81C,84C,86C,88C,95C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2014-10-15T10:55:07+00:00","kev":{"dateAdded":"2022-05-04","dueDate":"2022-05-25","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:L/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":"kev","external_id":"CVE-2014-4113","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2014-4113","severity":null,"published_at":"2022-05-04T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T15:39:42+00:00","note":null},{"source":"epss","external_id":"CVE-2014-4113","url":"https://api.first.org/data/v1/epss?cve=CVE-2014-4113","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-2014-4113","url":"https://nvd.nist.gov/vuln/detail/CVE-2014-4113","severity":null,"published_at":"2014-10-15T10:55:07+00:00","modified_at":"2026-06-17T00:09:27+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"}