RCE in Zoom Communications Inc. Node

CVE-2026-22844

A Command Injection vulnerability in Zoom Node Multimedia Routers (MMRs) before version 5.2.1716.0 may allow a meeting participant to conduct remote code execution of the MMR via network access.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.136 (96.4th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-22844: held from 0.132 to 0.136.

EPSS over last 30 days · oldest: 0.132 · newest: 0.136 · change: +0.005

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-22844?
CVE-2026-22844 is a critical-severity vulnerability in Zoom Communications Inc. Node, classified under OS Command Injection. CVSS score: 9.9/10. Published 2026-01-20.
How severe is CVE-2026-22844?
Critical severity. CVSS v3 base score is 9.9 out of 10.