Microsoft : Security Vulnerabilities, CVEs, Published In March 2011 CVSS score >= 4

Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to bypass Protected Mode and create arbitrary files by leveraging access to a Low integrity process, as demonstrated by Stephen Fewer as the third of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011.

Unspecified vulnerability in Microsoft Internet Explorer 8 on Windows 7 allows remote attackers to execute arbitrary code via unknown vectors, as demonstrated by Stephen Fewer as the second of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011.

Microsoft Internet Explorer 6, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, as demonstrated by Stephen Fewer as the first of three chained vulnerabilities during a Pwn2Own competition at CanSecWest 2011, aka "Object Management Memory Corruption Vulnerability."

SBE.dll in the Stream Buffer Engine in Windows Media Player and Windows Media Center in Microsoft Windows XP SP2 and SP3, Windows XP Media Center Edition 2005 SP3, Windows Vista SP1 and SP2, Windows 7 Gold and SP1, and Windows Media Center TV Pack for Windows Vista does not properly parse Digital Video Recording (.dvr-ms) files, which allows remote attackers to execute arbitrary code via a crafted file, aka "DVR-MS Vulnerability."

Untrusted search path vulnerability in DirectShow in Microsoft Windows Vista SP1 and SP2, Windows 7 Gold and SP1, Windows Server 2008 R2 and R2 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, as demonstrated by a directory that contains a Digital Video Recording (.dvr-ms), Windows Recorded TV Show (.wtv), or .mpg file, aka "DirectShow Insecure Library Loading Vulnerability."

Untrusted search path vulnerability in the client in Microsoft Remote Desktop Connection 5.2, 6.0, 6.1, and 7.0 allows local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains a .rdp file, aka "Remote Desktop Insecure Library Loading Vulnerability."