PatchSiren cyber security CVE debrief
CVE-2026-9207 Tanium CVE debrief
Tanium Connect contains an unauthorized code execution vulnerability. The issue permits an attacker with low privileges to execute arbitrary code remotely without user interaction, resulting in high impact to confidentiality, integrity, and availability. The vulnerability is classified as CWE-78 (OS Command Injection). Tanium has published security advisory TAN-2026-014 addressing this issue.
- Vendor
- Tanium
- Product
- Connect
- CVSS
- HIGH 8.8
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-05-27
- Original CVE updated
- 2026-05-27
- Advisory published
- 2026-05-27
- Advisory updated
- 2026-05-27
Who should care
Organizations deploying Tanium Connect for endpoint integration and data flow orchestration; security teams managing Tanium platform infrastructure; compliance officers tracking patch status for endpoint management tools.
Technical summary
CVE-2026-9207 is an OS Command Injection vulnerability (CWE-78) in Tanium Connect. The vulnerability allows network-based attackers with low privileges to execute unauthorized code without user interaction. CVSS 3.1 score 8.8 reflects high impacts across confidentiality, integrity, and availability. Tanium has released security advisory TAN-2026-014 to address this vulnerability. Organizations using Tanium Connect should prioritize patch deployment and implement network segmentation controls pending remediation.
Defensive priority
HIGH
Recommended defensive actions
- Apply patches from Tanium security advisory TAN-2026-014 as soon as available
- Review Tanium Connect deployment for unauthorized access indicators
- Restrict network access to Tanium Connect management interfaces to authorized administrative hosts only
- Monitor for anomalous command execution or process spawning from Tanium Connect service accounts
- Validate input sanitization on all Connect module endpoints if custom integrations are deployed
Evidence notes
CVE published 2026-05-27 with CVSS 3.1 score 8.8 (HIGH). Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Weakness identified as CWE-78. Vendor advisory TAN-2026-014 published by Tanium.
Official resources
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CVE-2026-9207 CVE record
CVE.org
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CVE-2026-9207 NVD detail
NVD
-
Source item URL
nvd_modified
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Source reference
3938794e-25f5-4123-a1ba-5cbd7f104512
2026-05-27