CVE-2011-1234
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-2011-1234- 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-2011-1234- Updated
- 2026-11-02
EUVDEUVD-2011-1242 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-2011-1242- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7x5p-7hrm-m9rp 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-7x5p-7hrm-m9rp- 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-2011-1234 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 1.44%, the 73rd percentile. No source names a fixed version.
References
us-cert.gov/cas/techalerts/TA11-102A.html
docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034
osvdb.org/71749
vupen.com/english/advisories/2011/0952
exchange.xforce.ibmcloud.com/vulnerabilities/66416
support.avaya.com/css/P8/documents/100133352
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oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12221
secunia.com/advisories/44156
blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx
securityfocus.com/bid/47211
securitytracker.com/id?1025345
nvd.nist.gov/vuln/detail/CVE-2011-1234
github.com/advisories/GHSA-7x5p-7hrm-m9rp