CVE-2008-5179: Microsoft Office Communications Server

Medium severity, CVSS 5.0. EPSS: 16.4% chance of exploitation in the next 30 days.

Unspecified vulnerability in Microsoft Office Communications Server (OCS), Office Communicator, and Windows Live Messenger allows remote attackers to cause a denial of service (crash) via a crafted Real-time Transport Control Protocol (RTCP) receiver report packet.

Affected products

• Microsoft Office Communications Server: any version
• Microsoft Office Communicator: any version
• Microsoft Windows Live Messenger: any version

Published 2008-11-20. Last modified 2026-06-16.