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Tanium CVE-2025-15311

HIGH
Improper Neutralization of Escape, Meta, or Control Sequences (CWE-150)
2026-02-05 3938794e-25f5-4123-a1ba-5cbd7f104512
7.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Escape character neutralization
Impact

CVSS 7.8 (HIGH). Attack vector: Local. Complexity: Low. Privileges required: Low. User interaction: None. Exploitation no authentication required.

Exploit ScenarioDerived

An attacker without authentication could exploit this vulnerability to compromise the affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Tanium addressed an unauthorized code execution vulnerability in Tanium Appliance. [CVSS 7.8 HIGH]

RemediationAI

Monitor vendor advisories for a patch.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Affects Tanos. Tanium addressed an unauthorized code execution vulnerability in Tanium Appliance.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

Tanium addressed an unauthorized code execution vulnerability in Tanium Appliance.

Executive ViewAI

Why It Matters

Tanium Appliance contains a critical code execution vulnerability (CVE-2025-15311, CVSS 7.8) that could allow attackers to execute unauthorized code within your endpoint management infrastructure. This affects organizations relying on Tanium for IT operations and security visibility, potentially compromising the integrity of your entire managed device estate.

Business Impact: High
Compensating Controls

Implement network segmentation to restrict Tanium Appliance access to authorized administrators only; deploy WAF rules to filter malicious requests to Tanium interfaces if externally accessible; disable remote code execution features if supported by your Tanium version; enforce multi-factor authentication for all Tanium administrative access; monitor Tanium logs for unauthorized command execution attempts; consider temporary isolation of non-critical Tanium instances until patch availability is confirmed.

Threat Intelligence Overview

EPSS Score
0.0%
Top 96% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact
High

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +39
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)CVE.org

cpe:2.3:o:tanium:tanos:*:*:*:*:*:*:*:*

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