CVE-2026-22844: Zoom Node · OS Command Injection
Affects Zoom NodeSource CVE Database V5
Not known to be exploited · 13% EPSS · CVSS 9.9 Critical : upgrade to 5.2.1716.0 as a priority.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 13.4% chance of exploitation in 30 days – higher than 96% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 5.2.1716.0
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 20 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade Zoom Node to 5.2.1716.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Zoom Communications Inc.Zoom Node | Affected
| Fixed in
|
AI-suggested
European organizations should immediately verify their Zoom Node MMR versions and upgrade to version 5.2.1716.0 or later once available. If you cannot patch yet, network segmentation should be enforced to isolate MMR devices from untrusted networks and restrict meeting participant network access to these devices. Implement strict access controls and monitor network traffic for unusual command execution patterns or anomalies related to MMR devices. Employ intrusion detection/prevention systems (IDS/IPS) with signatures or heuristics targeting command injection attempts. Conduct regular audits of Zoom Node MMR configurations and logs to detect potential exploitation attempts. Additionally, organizations should engage with Zoom support for any interim mitigation guidance and monitor threat intelligence feeds for emerging exploit information. Training IT staff on this specific vulnerability and response procedures will enhance readiness.
Description
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.