CVE-2014-4113
Microsoft Win32k Privilege Escalation Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 25 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 86.65% probability · 100th percentile
- Public exploits
- 4 in Exploit-DB · verified · first 28 October 2014
- CISA KEV
- Listed 4 May 2022 · due 25 May 2022
- Affected
- microsoft/windows 7 · microsoft/windows 8 · microsoft/windows 8.1 · microsoft/windows rt · microsoft/windows rt 8.1 · microsoft/windows server 2003 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows vista
- Source
- secure@microsoft.com
EPSS 86.6% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2014-4113
Public exploits (4)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-39666source ↗ | Microsoft Windows Kernel - 'win32k.sys' Local Privilege Escalation (MS14-058)windows · MWR InfoSecurity | local | 5 April 2016 | no |
| EDB-37064source ↗ | Microsoft Windows 8.0/8.1 (x64) - 'TrackPopupMenu' Local Privilege Escalation (MS14-058)windows_x86-64 · ryujin | local | 19 May 2015 | yes |
| EDB-46945source ↗ | Microsoft Windows 8.1/ Server 2012 - 'Win32k.sys' Local Privilege Escalation (MS14-058)windows · anonymous | local | 24 November 2014 | no |
| EDB-35101source ↗ | Microsoft Windows - TrackPopupMenu Win32k Null Pointer Dereference (MS14-058) (Metasploit)windows · Metasploit | local | 28 October 2014 | yes |
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.