The implementation of HTML content creation in Microsoft Internet Explorer 6 through 8 does not remove the Anchor element during pasting and editing, which might allow remote attackers to obtain sensitive deleted information by visiting a web page, aka "Anchor Element Information Disclosure Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7417
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-071