CVE DATABASE / CVE-2014-4113
CVE-2014-4113
Microsoft Win32k Privilege Escalation Vulnerability
Confirmed exploited in the wild. Added 2022-05-04.
Federal remediation due 2022-05-25.
Required action: Apply updates per vendor instructions.
Summary
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."
CVSS 3.1 breakdown
| Base score | 7.8 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Affected products
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References
- http://blog.trendmicro.com/trendlabs-security-intelligence/an-analysis-of-a-windows-kernel-mode-vulnerability-cve-2014-4113/
- http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx
- http://osvdb.org/show/osvdb/113167
- http://packetstormsecurity.com/files/131964/Windows-8.0-8.1-x64-TrackPopupMenu-Privilege-Escalation.html
- http://secunia.com/advisories/60970
- http://www.exploit-db.com/exploits/35101
- http://www.securityfocus.com/bid/70364
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-058
- https://github.com/sam-b/CVE-2014-4113
- https://www.exploit-db.com/exploits/37064/
- https://www.exploit-db.com/exploits/39666/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-4113
Data: NIST NVD + CISA KEV. NVD last modified 2026-04-22. Always verify against the vendor advisory before acting.