CVE-2022-22786: Update package downgrade in Zoom Client for Meetings for Windows

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-05-18 · updated 2026-06-17
Weakness: CWE-494

Description

The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before version 5.10.0, fails to properly check the installation version during the update process. This issue could be used in a more sophisticated attack to trick a user into downgrading their Zoom client to a less secure version.

Affected products

Zoom Workplace: before 5.10.0 — fixed in 5.10.0
Zoom Video Communications, Inc. Zoom Rooms for Windows: before 5.10.0 — fixed in 5.10.0

How to fix

Upgrade to a fixed version: Zoom Workplace 5.10.0; Zoom Video Communications, Inc. Zoom Rooms for Windows 5.10.0. Check the vendor advisory for mitigations.

References

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