CVE-2002-1255: Microsoft Outlook

Medium severity, CVSS 5.0. EPSS: 14% chance of exploitation in the next 30 days.

Microsoft Outlook 2002 allows remote attackers to cause a denial of service (repeated failure) via an email message with a certain invalid header field that is accessed using POP3, IMAP, or WebDAV, aka "E-mail Header Processing Flaw Could Cause Outlook 2002 to Fail."

Affected products

• Microsoft Outlook: version 2002 only

Published 2002-12-18. Last modified 2026-06-16.