1. 1999-06-30 [1] Microsoft Security Bulletin (MS99-023) microsoft-s Microsoft Produc 2. 1999-06-24 [1] Microsoft Security Bulletin (MS99-022) microsoft-s Microsoft Produc 3. 1999-06-23 [1] Microsoft Security Bulletin (MS99-021) microsoft-s Microsoft Produc 4. 1999-06-23 [1] Microsoft Security Bulletin (MS99-020) microsoft-s Microsoft Produc 5. 1999-06-18 [3] Microsoft Security Bulletin (MS99-019) microsoft-s Microsoft Produc