win32k.sys in the kernel-mode drivers in Microsoft Windows 7 SP1 and Windows Server 2008 R2 SP1 allows local users to gain privileges via a…

published 2013-10-09 13y ago modified 2026-06-16 4mo ago also EUVD-2013-3813

cvss: 7.2; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 14.8%; EPSS 14.8% chance of exploitation in 30 days, percentile 96%
public exploits: 2; Metasploit and Exploit-DB

win32k.sys in the kernel-mode drivers in Microsoft Windows 7 SP1 and Windows Server 2008 R2 SP1 allows local users to gain privileges via a crafted application, aka "Win32k NULL Page Vulnerability."

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Timeline

2013-10-08 First public exploit (Metasploit exploit/windows/local/ms13_081_track_popup_menu)
2013-10-09 Published

Exploit prediction

14.84% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

Metasploit exploit/windows/local/ms13_081_track_popup_menu Windows TrackPopupMenuEx Win32k NULL Page metasploit exploit, average rank, 2013-10-08
EDB-31576 Microsoft Windows - TrackPopupMenuEx Win32k NULL Page (MS13-081) (Metasploit) local, 2014-02-11

CVSS scores

assigned by	version	score	vector
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-399 Resource Management Errors

References

docs.microsoft.com /en-us/security-updates/securitybulletins/2013/ms13-081
vendor-advisory
us-cert.gov /ncas/alerts/TA13-288A
third-party-advisory, us-government-resource
oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18614
vdb-entry, signature

Sources

CVE List CVE-2013-3881
NVD CVE-2013-3881

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