CVE-1999-0725
When IIS is run with a default language of Chinese, Korean, or Japanese, it allows a remote attacker to view the source code of certain files, a.k.a. "Double Byte Code Page".
Date published : 2000-01-04
http://www.securityfocus.com/bid/477
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-022