# CVE-2014-4113: Microsoft Win32k Privilege Escalation Vulnerability

> CVE-2014-4113: Microsoft Win32k Privilege Escalation Vulnerability. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2014-4113
Last updated: 2025-10-22T00:05:35Z

- Published: 2014-10-15 10:00 UTC · Updated: 2025-10-22 00:05 UTC · Assigner: microsoft
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 86.6%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-05-04, federal due date 2022-05-25, ransomware use: Unknown

## 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."

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Microsoft: Win32k

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2014-4113)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2014-4113)
- [http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx](http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx)
- [http://blog.trendmicro.com/trendlabs-security-intelligence/an-analysis-of-a-windows-kernel-mode-vulnerability-cve-2014-4113/](http://blog.trendmicro.com/trendlabs-security-intelligence/an-analysis-of-a-windows-kernel-mode-vulnerability-cve-2014-4113/)
- [http://osvdb.org/show/osvdb/113167](http://osvdb.org/show/osvdb/113167)
- [http://packetstormsecurity.com/files/131964/Windows-8.0-8.1-x64-TrackPopupMenu-Privilege-Escalation.html](http://packetstormsecurity.com/files/131964/Windows-8.0-8.1-x64-TrackPopupMenu-Privilege-Escalation.html)
- [https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-058](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-058)
- [http://secunia.com/advisories/60970](http://secunia.com/advisories/60970)
- [https://github.com/sam-b/CVE-2014-4113](https://github.com/sam-b/CVE-2014-4113)
- [https://www.exploit-db.com/exploits/37064/](https://www.exploit-db.com/exploits/37064/)
- [https://www.exploit-db.com/exploits/39666/](https://www.exploit-db.com/exploits/39666/)
- [http://www.exploit-db.com/exploits/35101](http://www.exploit-db.com/exploits/35101)
- [http://www.securityfocus.com/bid/70364](http://www.securityfocus.com/bid/70364)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2014-4113 · Markdown: https://rewindex.com/cve/CVE-2014-4113.md · JSON: https://rewindex.com/api/v1/cves/CVE-2014-4113 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:02:10.619Z