CVE-2010-3939
Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3,...
Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows local users to gain privileges via vectors related to improper memory allocation for copies from user mode, aka "Win32k Buffer Overflow Vulnerability."
Exploit likelihood
What each source reports
NVD Score used
7.2
Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows local users to gain privileges via vectors related to improper memory allocation for copies from user mode, aka "Win32k Buffer Overflow Vulnerability."
- Record
CVE-2010-3939- CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows local users to gain privileges via vectors related to improper memory allocation for copies from user mode, aka "Win32k Buffer Overflow Vulnerability."
- Record
CVE-2010-3939- Updated
- 2026-11-02
EUVDEUVD-2010-3916 No score
Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows local users to gain privileges via vectors related to improper memory allocation for copies from user mode, aka "Win32k Buffer Overflow Vulnerability."
- Record
EUVD-2010-3916- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4c4h-r37m-j94c No score
Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3,...
Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows local users to gain privileges via vectors related to improper memory allocation for copies from user mode, aka "Win32k Buffer Overflow Vulnerability."
- Record
GHSA-4c4h-r37m-j94c- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-3939 is a high vulnerability (CVSS 7.2) in Microsoft Windows 7, published December 16, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.90%, the 79th percentile. No source names a fixed version.
References
us-cert.gov/cas/techalerts/TA10-348A.html
docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-098
securitytracker.com/id?1024880
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12252
nvd.nist.gov/vuln/detail/CVE-2010-3939
github.com/advisories/GHSA-4c4h-r37m-j94c