Microsoft » Windows 7 : Security Vulnerabilities, CVEs, Published In October 2011

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 SP2, Windows Server 2008 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, aka "Win32k Use After Free Vulnerability."

Untrusted search path vulnerability in Windows Media Center in Microsoft Windows Vista SP2 and Windows 7 Gold and SP1, and Windows Media Center TV Pack for Windows Vista, allows local users to gain privileges via a Trojan horse DLL in the current working directory, aka "Media Center Insecure Library Loading Vulnerability."

Buffer overflow in 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 allows remote attackers to execute arbitrary code via a crafted .fon file, aka "Font Library File Buffer Overrun Vulnerability."

win32k.sys in the kernel-mode drivers in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle TrueType fonts, which allows local users to cause a denial of service (system hang) via a crafted font file, aka "Win32k TrueType Font Type Translation Vulnerability."

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."

Untrusted search path vulnerability in the Microsoft Active Accessibility component 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 allows local users to gain privileges via a Trojan horse DLL in the current working directory, aka "Active Accessibility Insecure Library Loading Vulnerability."