Insecure DLL loading in Zoom Video Communications, Inc. products - CVE-2022-28766
Published: November 16, 2022
Vulnerability identifier: #VU69355
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-28766
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local user can force the application to load a malicious .dll file and execute arbitrary code on the system in the context of the Zoom client.
Note, the vulnerability affects only Windows 32-bit clients.
Affected software
Zoom Rooms Client for Windows
Zoom Workplace Desktop App for Windows
Virtual Desktop Infrastructure (VDI)
Zoom Workplace Desktop App for Windows
Virtual Desktop Infrastructure (VDI)
How to mitigate CVE-2022-28766
Install updates from vendor's website.
Zoom Rooms Client for Windows - update to 5.12.6 2076
Zoom Workplace Desktop App for Windows - update to 5.12.6 10137
Virtual Desktop Infrastructure (VDI) - update to 5.12.6
Zoom Workplace Desktop App for Windows - update to 5.12.6 10137
Virtual Desktop Infrastructure (VDI) - update to 5.12.6