Internet Explorer 5.0 and 5.01 allows remote attackers to modify or execute files via the Import/Export Favorites feature, aka the "ImportExportFavorites" vulnerability.
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-037
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ241361
http://www.securityfocus.com/bid/627
Source: Mitre, NVD
Published: 1999-09-10
Updated: 2026-06-16
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High
EPSS: 0.24429