SECURELYN

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.

Scores

9.9
CVSS 9.9 out of 10, critical severity.
13.5%
EPSS 13.5% chance of exploitation in the next 30 days.

The facts

Published
20 January 2026
Last changed
17 June 2026
NVD status
Deferred
Severity
Critical, CVSS 9.9 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
Known exploited
Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
EPSS
13.5% chance of exploitation activity in the next 30 days (percentile 96).

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References