Microsoft Internet Explorer before 8 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT response page returned by a proxy server, which allows man-in-the-middle attackers to spoof an arbitrary https site by letting a browser obtain a valid certificate from this site during one request, and then sending the browser a crafted 502 response page upon a subsequent request.

Microsoft Internet Explorer 5.01 through 7 allows remote attackers to spoof the URL address bar and other "trust UI" components via unspecified vectors, a different issue than CVE-2007-1091 and CVE-2007-3826.

Unspecified vulnerability in Microsoft Internet Explorer 5.01 through 7 allows remote attackers to execute arbitrary code via unspecified vectors involving memory corruption from an unhandled error.