CVE-2018-8311: Microsoft Lync

High severity, CVSS 8.8. EPSS: 16.4% chance of exploitation in the next 30 days.

A remote code execution vulnerability exists when Skype for Business and Microsoft Lync clients fail to properly sanitize specially crafted content, aka "Remote Code Execution Vulnerability in Skype For Business and Lync." This affects Skype, Microsoft Lync.

Affected products

• Microsoft Lync: affected versions not specified
• Microsoft Skype For Business: affected versions not specified

Published 2018-07-11. Last modified 2026-06-17.