CVE-2011-1231
Summary
| CVE | CVE-2011-1231 |
|---|---|
| State | PUBLISHED |
| Assigner | microsoft |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2011-04-13 20:26:25 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| Description | 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 triggers a NULL pointer dereference, a different vulnerability than other "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability." |
Risk And Classification
Primary CVSS: v3.1 8.4 HIGH from ADP
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Problem Types: NVD-CWE-Other | CWE-476 | n/a | CWE-476 CWE-476 NULL Pointer Dereference
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 8.4 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 8.4 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
CompleteIntegrity
CompleteAvailability
CompleteAV:L/AC:L/Au:N/C:C/I:C/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Microsoft | Windows 2003 Server | All | sp2 | All | All |
| Operating System | Microsoft | Windows 7 | - | All | All | All |
| Operating System | Microsoft | Windows 7 | - | sp1 | x64 | All |
| Operating System | Microsoft | Windows 7 | - | sp1 | x86 | All |
| Operating System | Microsoft | Windows Server 2003 | All | sp2 | All | All |
| Operating System | Microsoft | Windows Server 2008 | All | All | itanium | All |
| Operating System | Microsoft | Windows Server 2008 | All | All | x32 | All |
| Operating System | Microsoft | Windows Server 2008 | All | All | x64 | All |
| Operating System | Microsoft | Windows Server 2008 | All | sp2 | x32 | All |
| Operating System | Microsoft | Windows Server 2008 | All | sp2 | x64 | All |
| Operating System | Microsoft | Windows Server 2008 | - | sp2 | itanium | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | All | itanium | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | All | x64 | All |
| Operating System | Microsoft | Windows Vista | All | sp1 | All | All |
| Operating System | Microsoft | Windows Vista | All | sp2 | All | All |
| Operating System | Microsoft | Windows Xp | All | sp3 | All | All |
| Operating System | Microsoft | Windows Xp | - | sp2 | x64 | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| ASA-2011-110 MS11-034 (2506223) | af854a3a-2127-422b-91ae-364da2661108 | support.avaya.com | |
| US-CERT Technical Cyber Security Alert TA11-102A -- Microsoft Updates for Multiple Vulnerabilities | af854a3a-2127-422b-91ae-364da2661108 | www.us-cert.gov | US Government Resource |
| MS11-034: Addressing vulnerabilities in the win32k subsystem - Security Research & Defense - Site Home - TechNet Blogs | af854a3a-2127-422b-91ae-364da2661108 | blogs.technet.com | |
| Microsoft Security Bulletin MS11-034 - Important | Microsoft Docs | af854a3a-2127-422b-91ae-364da2661108 | docs.microsoft.com | |
| Microsoft Windows win32k.sys Driver Privilege Escalation Vulnerabilities - Secunia.com | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Repository / Oval Repository | af854a3a-2127-422b-91ae-364da2661108 | oval.cisecurity.org | |
| Webmail : Solution de messagerie professionnelle - OVHcloud- OVH | af854a3a-2127-422b-91ae-364da2661108 | www.vupen.com | |
| Microsoft Windows Kernel 'Win32k.sys' (CVE-2011-1231) Local Privilege Escalation Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| Windows Kernel win32k.sys Lets Local Users Gain Elevated Privileges - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| osvdb.org/71737 | af854a3a-2127-422b-91ae-364da2661108 | osvdb.org | |
| IBM X-Force Exchange | af854a3a-2127-422b-91ae-364da2661108 | exchange.xforce.ibmcloud.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.