CVE-2014-4113

Name: CVE-2014-4113
Creator: NVD / NIST
Published: 2014-10-15T10:55:07.473+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10Actively ExploitedEPSS 87.04%

Last modified Jun 17, 2026

CVE-2014-4113 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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 has confirmed active exploitation in the wild. EPSS estimates a 87.04% chance of exploitation in the next 30 days.

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."

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

87.04%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by May 25, 2022.

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 7	All versions	Sp1
Microsoft	Windows 8	All versions	—
Microsoft	Windows 8.1	All versions	—
Microsoft	Windows Rt	All versions	—
Microsoft	Windows Rt 8.1	All versions	—
Microsoft	Windows Server 2003	All versions	Sp2
Microsoft	Windows Server 2008	All versions	Sp2
Microsoft	Windows Server 2008	r2	Sp1
Microsoft	Windows Server 2012	All versions	—
Microsoft	Windows Server 2012	r2	—
Microsoft	Windows Vista	All versions	Sp2

References

http://blog.trendmicro.com/trendlabs-security-intelligence/an-analysis-of-a-windows-kernel-mode-vulnerability-cve-2014-4113/Exploit, Not Applicable
http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspxNot Applicable, Vendor Advisory
http://osvdb.org/show/osvdb/113167Broken Link
http://packetstormsecurity.com/files/131964/Windows-8.0-8.1-x64-TrackPopupMenu-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
http://secunia.com/advisories/60970Broken Link
http://www.exploit-db.com/exploits/35101Exploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/70364Broken Link, Third Party Advisory, VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-058Patch, Vendor Advisory
https://github.com/sam-b/CVE-2014-4113Third Party Advisory
https://www.exploit-db.com/exploits/37064/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/39666/Third Party Advisory, VDB Entry
http://blog.trendmicro.com/trendlabs-security-intelligence/an-analysis-of-a-windows-kernel-mode-vulnerability-cve-2014-4113/Exploit, Not Applicable
http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspxNot Applicable, Vendor Advisory
http://osvdb.org/show/osvdb/113167Broken Link
http://packetstormsecurity.com/files/131964/Windows-8.0-8.1-x64-TrackPopupMenu-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
http://secunia.com/advisories/60970Broken Link
http://www.exploit-db.com/exploits/35101Exploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/70364Broken Link, Third Party Advisory, VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-058Patch, Vendor Advisory
https://github.com/sam-b/CVE-2014-4113Third Party Advisory
https://www.exploit-db.com/exploits/37064/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/39666/Third Party Advisory, VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-4113US Government Resource

Timeline

Published: Oct 15, 2014
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2014-4113?

How severe is CVE-2014-4113?

CVE-2014-4113 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 87.04% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2014-4113?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-4113?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST