CVE-2021-34412: Zoom Meetings

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

During the installation process for all versions of the Zoom Client for Meetings for Windows before 5.4.0, it is possible to launch Internet Explorer. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.

Affected products

• Zoom Meetings: before 5.4.0 (fixed in 5.4.0)

Published 2021-09-27. Last modified 2026-06-17.