CVE-2010-3944
win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2008 R2 and Windows 7 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "Win32k Memory Corruption Vulnerability."
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 3.7%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2008 R2 and Windows 7 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "Win32k Memory Corruption Vulnerability."
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 3.69% probability · 90th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 17 December 2010
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- microsoft/windows 7 · microsoft/windows server 2008
- Source
- secure@microsoft.com
EPSS 3.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
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.
References
- http://www.securitytracker.com/id?1024880
- http://www.us-cert.gov/cas/techalerts/TA10-348A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-098
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12184
- http://www.securitytracker.com/id?1024880
- http://www.us-cert.gov/cas/techalerts/TA10-348A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-098
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12184
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.