Untrusted search path vulnerability in Installer of IP Messenger for Win 4.60 and earlier allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

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."

Buffer overflow in the file & folder transfer mechanism for IP Messenger for Win 2.00 through 2.02 allows remote attackers to execute arbitrary code via file with a long filename, which triggers the overflow when the user saves the file.