CVE-2014-4113win32k.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…
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It affects microsoft windows_7 and 8 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since May 4, 2022; federal agencies had to remediate by May 25, 2022. Treat that date as your deadline.
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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
- 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Added to CISA KEV May 4, 2022; federal remediation due May 25, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 86.93% (percentile 100)
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Oct 22, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
microsoft windows_7 microsoft:windows_7 | all versions | NVD |
microsoft windows_8 microsoft:windows_8 | all versions | NVD |
microsoft windows_8.1 microsoft:windows_8.1 | all versions | NVD |
microsoft windows_rt microsoft:windows_rt | all versions | NVD |
microsoft windows_rt_8.1 microsoft:windows_rt_8.1 | all versions | NVD |
microsoft windows_server_2003 microsoft:windows_server_2003 | all versions | NVD |
microsoft windows_server_2008 microsoft:windows_server_2008 | all versions; r2 | NVD |
microsoft windows_server_2012 microsoft:windows_server_2012 | all versions; r2 | NVD |
microsoft windows_vista microsoft:windows_vista | all versions | NVD |
References
- http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspxx-refsource-confirm, not-applicable, vendor-advisory
- http://packetstormsecurity.com/files/131964/Windows-8.0-8.1-x64-TrackPopupMenu-Privilege-Escalation.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- http://secunia.com/advisories/60970third-party-advisory, x-refsource-secunia, broken-link
- https://www.exploit-db.com/exploits/37064/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- http://www.securityfocus.com/bid/70364vdb-entry, x-refsource-bid, broken-link, third-party-advisory
- http://osvdb.org/show/osvdb/113167vdb-entry, x-refsource-osvdb, broken-link
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-058vendor-advisory, x-refsource-ms, patch
- https://www.exploit-db.com/exploits/39666/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- http://www.exploit-db.com/exploits/35101exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- https://github.com/sam-b/CVE-2014-4113x-refsource-misc, third-party-advisory
- http://blog.trendmicro.com/trendlabs-security-intelligence/an-analysis-of-a-windows-kernel-mode-vulnerability-cve-2014-4113/x-refsource-misc, exploit, not-applicable
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-4113us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.