CVE-2011-0662
Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2...
Use-after-free vulnerability 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, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."
Exploit likelihood
What each source reports
NVD Score used
Use-after-free vulnerability 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, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."
- Record
CVE-2011-0662- CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
Use-after-free vulnerability 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, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."
- Record
CVE-2011-0662- Updated
- 2026-11-02
EUVDEUVD-2011-0680 No score
Use-after-free vulnerability 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, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."
- Record
EUVD-2011-0680- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pw3h-r5qf-2g9w No score
Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2...
Use-after-free vulnerability 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, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."
- Record
GHSA-pw3h-r5qf-2g9w- 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-2011-0662 is a high vulnerability (CVSS 7.2) in Microsoft Windows 7, published April 13, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.56%, the 75th percentile. No source names a fixed version.
References
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12543
us-cert.gov/cas/techalerts/TA11-102A.html
osvdb.org/71740
docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034
securityfocus.com/bid/47194
vupen.com/english/advisories/2011/0952
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support.avaya.com/css/P8/documents/100133352
exchange.xforce.ibmcloud.com/vulnerabilities/66395
secunia.com/advisories/44156
blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx
securitytracker.com/id?1025345
nvd.nist.gov/vuln/detail/CVE-2011-0662
github.com/advisories/GHSA-pw3h-r5qf-2g9w