CVE-2000-0756: Microsoft Outlook

Medium severity, CVSS 5.0. EPSS: 5.1% chance of exploitation in the next 30 days.

Microsoft Outlook 2000 does not properly process long or malformed fields in vCard (.vcf) files, which allows attackers to cause a denial of service.

Affected products

• Microsoft Outlook: version 98 only; version 2000 only

Published 2000-10-20. Last modified 2026-06-16.