#VU105773 Buffer underflow in Zoom Video Communications, Inc. products - CVE-2025-27439

Vulnerability identifier: #VU105773

Vulnerability risk: High

CVSSv4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2025-27439

CWE-ID: CWE-124

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Zoom Workplace Desktop App for Windows
Zoom Workplace Desktop App for macOS
Zoom Workplace Desktop App for Linux
Zoom Rooms Controller for Windows
Zoom Rooms Controller for macOS
Zoom Rooms Controller for Linux
Zoom Rooms Client for Windows
Zoom Rooms Client for macOS
Zoom Workplace App for iOS
Zoom Workplace App for Android
Zoom Rooms Controller for Android
Zoom Rooms Client for iPad
Zoom Rooms Client for Android
Virtual Desktop Infrastructure (VDI)
Zoom Meeting SDK for Windows
Zoom Meeting SDK for iOS
Zoom Meeting SDK for Android
Zoom Meeting SDK for macOS
Zoom Meeting SDK for Linux

Software vendor:
Zoom Video Communications, Inc.

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can trick victim into performing certain actions within the application, trigger a buffer underflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install updates from vendor's website.

• https://www.zoom.com/en/trust/security-bulletin/zsb-25011/