CVE-2014-4113
Published 2014-10-15 · Updated 2026-06-17 · Source secure@microsoft.com
Summary
CVE-2014-4113 is a high-severity (CVSS 7.8) vulnerability in Microsoft Win32k. CISA added it to the Known Exploited Vulnerabilities catalog on May 4, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by May 25, 2022. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.
All 390 known-exploited Microsoft vulnerabilities →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."
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Microsoft — Win32k
Name: Microsoft Win32k Privilege Escalation Vulnerability
Date added: 2022-05-04 · Due: 2022-05-25
Required action: Apply updates per vendor instructions.
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

