Main Vulnerability Database Vulnerabilities #VU121695

OS Command Injection in Zoom Node Meetings Hybrid (ZMH) MMR module and Zoom Node Meeting Connector (MC) MMR module - CVE-2026-22844

Published: January 20, 2026

Vulnerability identifier: #VU121695

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2026-22844

CWE-ID: CWE-78

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Zoom Video Communications, Inc.

Affected software:
Zoom Node Meetings Hybrid (ZMH) MMR module
Zoom Node Meeting Connector (MC) MMR module

Detailed vulnerability description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote authenticated user can execute arbitrary OS commands on the Zoom MMR.

Install updates from vendor's website.