Microsoft Internet Explorer 8, and possibly other versions, detects http content in https web pages only when the top-level frame uses https, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying an http page to include an https iframe that references a script file on an http site, related to "HTTP-Intended-but-HTTPS-Loadable (HPIHSL) pages."

Microsoft Internet Explorer before 8 uses the HTTP Host header to determine the context of a document provided in a (1) 4xx or (2) 5xx CONNECT response from a proxy server, which allows man-in-the-middle attackers to execute arbitrary web script by modifying this CONNECT response, aka an "SSL tampering" attack.

Use-after-free vulnerability in Microsoft Internet Explorer 7 for Windows XP SP2 and SP3; 7 for Server 2003 SP2; 7 for Vista Gold, SP1, and SP2; and 7 for Server 2008 SP2 allows remote attackers to execute arbitrary code by repeatedly adding HTML document nodes and calling event handlers, which triggers an access of an object that (1) was not properly initialized or (2) is deleted, aka "HTML Objects Memory Corruption Vulnerability."

Microsoft Internet Explorer 7 for Windows XP SP2 and SP3; 7 for Server 2003 SP2; 7 for Vista Gold, SP1, and SP2; and 7 for Server 2008 SP2 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by calling the setCapture method on a collection of crafted objects, aka "Uninitialized Memory Corruption Vulnerability."

Microsoft Internet Explorer 5.01 SP4; 6 SP1; 6 and 7 for Windows XP SP2 and SP3; 6 and 7 for Server 2003 SP2; 7 for Vista Gold, SP1, and SP2; and 7 for Server 2008 SP2 does not prevent HTML rendering of cached content, which allows remote attackers to bypass the Same Origin Policy via unspecified vectors, aka "Cross-Domain Information Disclosure Vulnerability."

Microsoft Internet Explorer 5.01 SP4, 6 SP1, 6 and 7 on Windows XP SP2 and SP3, 6 and 7 on Windows Server 2003 SP1 and SP2, 7 on Windows Vista Gold and SP1, and 7 on Windows Server 2008 allows remote attackers to execute arbitrary code via a web page that triggers presence of an object in memory that was (1) not properly initialized or (2) deleted, aka "Uninitialized Memory Corruption Vulnerability."

Windows HTTP Services (aka WinHTTP) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008; and WinINet in Microsoft Internet Explorer 5.01 SP4, 6 SP1, 6 and 7 on Windows XP SP2 and SP3, 6 and 7 on Windows Server 2003 SP1 and SP2, 7 on Windows Vista Gold and SP1, and 7 on Windows Server 2008; allows remote web servers to capture and replay NTLM credentials, and execute arbitrary code, via vectors related to absence of a "credential-reflection protections" opt-in step, aka "Windows HTTP Services Credential Reflection Vulnerability" and "WinINet Credential Reflection Vulnerability."

Stack-based buffer overflow in Microsoft Internet Explorer 5.01 SP4, 6 SP1 on Windows 2000, and 6 on Windows XP and Server 2003 does not properly handle extraneous data associated with an object embedded in a web page, which allows remote attackers to execute arbitrary code via crafted HTML tags that trigger memory corruption, aka "HTML Rendering Memory Corruption Vulnerability."

Microsoft Internet Explorer 7 sometimes attempts to access a deleted object, which allows remote attackers to execute arbitrary code via a crafted HTML document that triggers memory corruption, aka "Uninitialized Memory Corruption Vulnerability."

Microsoft Internet Explorer 7 sometimes attempts to access uninitialized memory locations, which allows remote attackers to execute arbitrary code via a crafted HTML document that triggers memory corruption, related to a WebDAV request for a file with a long name, aka "HTML Objects Memory Corruption Vulnerability."

Microsoft Internet Explorer 5.01 SP4 and 6 SP1 does not properly validate parameters during calls to navigation methods, which allows remote attackers to execute arbitrary code via a crafted HTML document that triggers memory corruption, aka "Parameter Validation Memory Corruption Vulnerability."

Microsoft Excel 2000 SP3, 2002 SP3, and 2003 SP2 and SP3 does not properly validate data in the VBA Performance Cache when processing an Office document with an embedded object, which allows remote attackers to execute arbitrary code via an Excel file containing a crafted value, leading to heap-based buffer overflows, integer overflows, array index errors, and memory corruption, aka "Calendar Object Validation Vulnerability."

Microsoft Internet Explorer 5.01 SP4 and 6 does not properly handle errors associated with access to uninitialized memory, which allows remote attackers to execute arbitrary code via a crafted HTML document, aka "HTML Objects Memory Corruption Vulnerability."

Microsoft Internet Explorer 6 does not properly handle errors related to using the componentFromPoint method on xml objects that have been (1) incorrectly initialized or (2) deleted, which allows remote attackers to execute arbitrary code via a crafted HTML document, aka "Uninitialized Memory Corruption Vulnerability."

Microsoft Internet Explorer 6 and 7 does not properly determine the domain or security zone of origin of web script, which allows remote attackers to bypass the intended cross-domain security policy and obtain sensitive information via a crafted HTML document, aka "Cross-Domain Information Disclosure Vulnerability."

Microsoft Internet Explorer 6 and 7 does not properly determine the domain or security zone of origin of web script, which allows remote attackers to bypass the intended cross-domain security policy, and execute arbitrary code or obtain sensitive information, via a crafted HTML document, aka "Event Handling Cross-Domain Vulnerability."

Microsoft Internet Explorer 6 and 7 does not properly determine the domain or security zone of origin of web script, which allows remote attackers to bypass the intended cross-domain security policy, and execute arbitrary code or obtain sensitive information, via a crafted HTML document, aka "HTML Element Cross-Domain Vulnerability."

Cross-domain vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 7 allows remote attackers to access restricted information from other domains via JavaScript that uses the Object data type for the value of a (1) location or (2) location.href property, related to incorrect determination of the origin of web script, aka "Window Location Property Cross-Domain Vulnerability." NOTE: according to Microsoft, CVE-2008-2948 and CVE-2008-2949 are duplicates of this issue, probably different attack vectors.

Buffer overflow in the Microsoft HeartbeatCtl ActiveX control in HRTBEAT.OCX allows remote attackers to execute arbitrary code via the Host argument to an unspecified method.

The HxTocCtrl ActiveX control (hxvz.dll), as used in Microsoft Internet Explorer 5.01 SP4 and 6 SP1, in Windows XP SP2, Server 2003 SP1 and SP2, Vista SP1, and Server 2008, allows remote attackers to execute arbitrary code via malformed arguments, which triggers memory corruption.