CVE-2026-9207Network attack vector

Authenticated code execution via OS command injection

Published May 27, 2026 · Updated May 27, 2026

OS command injection in affected Tanium Connect releases allows remote authenticated users to execute code on the Windows Module Server. Tanium maps the flaw to OS command injection but has not disclosed the vulnerable function, input, command string, or missing neutralization. Exploitation requires Connect Write permission; injected commands run in the Connect service context, exposing its data and service availability.

CVSS severity8.8
High
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in affected Tanium Connect releases allows remote authenticated users to execute code on the Windows Module Server. Tanium maps the flaw to OS command injection but has not disclosed the vulnerable function, input, command string, or missing neutralization. Exploitation requires Connect Write permission; injected commands run in the Connect service context, exposing its data and service availability.

The record

CVE
CVE-2026-9207
Published
May 27, 2026
Updated
May 27, 2026
Vendor
Tanium
Product
Tanium Connect
Classifications
CWE-78, T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 27, 2026CVE publishedPublication date reported by the CVE source.
  2. May 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.26 <5.26.191
  2. Affected versionversion=5.29 <5.29.237
  3. Affected versionversion=5.37 <5.37.140

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Tanium · Tanium Connectversion=5.26 <5.26.191; version=5.29 <5.29.237; version=5.37 <5.37.140

Published CVSS scores

8.8TaniumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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