CVE-2022-28766: DLL injection in Zoom Windows Clients

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-17 · updated 2026-06-17
Weakness: CWE-94

Description

Windows 32-bit versions of the Zoom Client for Meetings before 5.12.6 and Zoom Rooms for Conference Room before version 5.12.6 are susceptible to a DLL injection vulnerability. A local low-privileged user could exploit this vulnerability to run arbitrary code in the context of the Zoom client.

Affected products

Zoom Workplace: before 5.12.6 — fixed in 5.12.6
Zoom Video Communications, Inc. Zoom Rooms for Windows: before 5.12.6 — fixed in 5.12.6

How to fix

Upgrade to a fixed version: Zoom Workplace 5.12.6; Zoom Video Communications, Inc. Zoom Rooms for Windows 5.12.6. Check the vendor advisory for mitigations.

References

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