CVE-2022-33633: Microsoft Lync Server

High severity, CVSS 7.2. EPSS: 2.3% chance of exploitation in the next 30 days.

Skype for Business and Lync Remote Code Execution Vulnerability

Affected products

  • Microsoft Lync Server: version 2013 only
  • Microsoft Skype For Business: version 2015 only; version 2019 only

Published 2022-07-12. Last modified 2026-06-17.