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.

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)

EPSS: 0.130 (95.9th percentile) — read the EPSS interpretation.

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.

Affected products

Zoom Communications Inc. Node — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security@zoom.us

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.