Heap-based buffer overflow in Microsoft Virtual PC 2004 and PC for Mac 7.1 and 7, and Virtual Server 2005 and 2005 R2, allows local guest OS administrators to execute arbitrary code on the host OS via unspecified vectors related to “interaction and initialization of components.”

Unspecified vulnerability in Microsoft Internet Explorer 7 on Windows XP SP2, Windows Server 2003 SP1 or SP2, or Windows Vista allows remote attackers to execute arbitrary code via crafted HTML objects, which results in memory corruption, aka the first of two “HTML Objects Memory Corruption Vulnerabilities” and a different issue than CVE-2007-0947.

Microsoft Internet Explorer 6 SP1 on Windows 2000 SP4; 6 and 7 on Windows XP SP2, or Windows Server 2003 SP1 or SP2; and 7 on Windows Vista allows remote attackers to execute arbitrary code via certain property methods that may trigger memory corruption, aka “Property Memory Corruption Vulnerability.”

Unspecified vulnerability in the CTableCol::OnPropertyChange method in Microsoft Internet Explorer 5.01 SP4 on Windows 2000 SP4; 6 SP1 on Windows 2000 SP4; and 6 on Windows XP SP2, or Windows Server 2003 SP1 or SP2 allows remote attackers to execute arbitrary code by calling deleteCell on a named table row in a named table column, then accessing the column, which causes Internet Explorer to access previously deleted objects, aka the “Uninitialized Memory Corruption Vulnerability.”