CVE-2009-0099: Microsoft Exchange Server

Medium severity, CVSS 5.0. EPSS: 26.2% chance of exploitation in the next 30 days.

The Electronic Messaging System Microsoft Data Base (EMSMDB32) provider in Microsoft Exchange 2000 Server SP3 and Exchange Server 2003 SP2, as used in Exchange System Attendant, allows remote attackers to cause a denial of service (application outage) via a malformed MAPI command, aka "Literal Processing Vulnerability."

Affected products

• Microsoft Exchange Server: version 2000 only; version 2003 only; version 2007 only

Published 2009-02-10. Last modified 2026-06-16.