CVE-1999-0755
Windows NT RRAS and RAS clients cache a user’s password even if the user has not selected the "Save password" option.
Date published : 2000-01-04
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-017
http://support.microsoft.com/default.aspx?scid=kb;%5BLN%5D;Q230681