CVE-2010-3943
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003...
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 does not properly link driver objects, which allows local users to gain privileges via a crafted application that triggers linked-list corruption, aka "Win32k Cursor Linking Vulnerability."
Exploit likelihood
What each source reports
NVD Score used
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 does not properly link driver objects, which allows local users to gain privileges via a crafted application that triggers linked-list corruption, aka "Win32k Cursor Linking Vulnerability."
- Record
CVE-2010-3943- CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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 does not properly link driver objects, which allows local users to gain privileges via a crafted application that triggers linked-list corruption, aka "Win32k Cursor Linking Vulnerability."
- Record
CVE-2010-3943- Updated
- 2026-11-02
EUVDEUVD-2010-3920 No score
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 does not properly link driver objects, which allows local users to gain privileges via a crafted application that triggers linked-list corruption, aka "Win32k Cursor Linking Vulnerability."
- Record
EUVD-2010-3920- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5hjq-7cm9-qxpp No score
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003...
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 does not properly link driver objects, which allows local users to gain privileges via a crafted application that triggers linked-list corruption, aka "Win32k Cursor Linking Vulnerability."
- Record
GHSA-5hjq-7cm9-qxpp- 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-2010-3943 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 1.76%, the 78th 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%3A12317
nvd.nist.gov/vuln/detail/CVE-2010-3943
github.com/advisories/GHSA-5hjq-7cm9-qxpp