CVE-2011-1231: Null Pointer Dereference
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."
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2011-1231?
CVE-2011-1231 has a high severity level as it can lead to local privilege escalation in affected Windows systems.
How do I fix CVE-2011-1231?
To fix CVE-2011-1231, apply the latest security updates and patches provided by Microsoft for the affected Windows versions.
Which Windows versions are affected by CVE-2011-1231?
CVE-2011-1231 affects multiple Windows versions, including Windows XP SP2 and SP3, Windows Vista SP1 and SP2, and Windows 7 among others.
Can CVE-2011-1231 be exploited remotely?
CVE-2011-1231 cannot be exploited remotely as it requires local access to the affected system.
What is the impact of exploiting CVE-2011-1231?
Exploiting CVE-2011-1231 allows attackers to gain elevated privileges, leading to potential unauthorized actions on the system.