CVE-1999-0590: Apple macOS

High severity, CVSS 10.0. EPSS: 6% chance of exploitation in the next 30 days.

A system does not present an appropriate legal message or warning to a user who is accessing it.

Affected products

• Apple macOS: any version
• Linux Linux Kernel: version 2.6.20.1 only
• Microsoft Windows 2000: any version
• Microsoft Windows 95: any version
• Microsoft Windows 98: any version
• Microsoft Windows Nt: version 3.5.1 only; version 4.0 only

Published 2000-06-01. Last modified 2026-06-16.