Published: 12/10/2011 Updated: 07/12/2023

CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9

VMScore: 725

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate user-mode input, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via a crafted application, aka "Win32k Null Pointer De-reference Vulnerability."

Vulnerable Product	Search on Vulmon	Subscribe to Product
microsoft windows server 2008
microsoft windows server 2008 r2
microsoft windows server 2008 -
microsoft windows xp -
microsoft windows 7 -
microsoft windows xp
microsoft windows server 2003
microsoft windows vista
microsoft windows 2003 server

# Exploit Title: MS11-077 Win32k Null Pointer De-reference Vulnerability POC # Date: 10/19/2011 # Author: KiDebug # Version: Windows XP SP3 32bit # Tested on: Windows XP SP3 32bit # CVE : CVE-2011-1985 # Exploit Code Only a single line of code can cause BSOD: #include <Windowsh> void main() { SendMessageCallback((HWND)-1,CB_ADDSTRING,0, ...

NVD-CWE-Other http://www.securitytracker.com/id?1026165 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12935 https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-077 https://nvd.nist.gov https://www.exploit-db.com/exploits/18024/

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CVE-2011-1985

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