CVE-2025-15319

High

Published: 09 February 2026

Published

09 February 2026

Modified

09 March 2026

KEV Added

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Patch

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CVSS Score 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0001 0.7th percentile

Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-15319 is a high-severity Link Following (CWE-59) vulnerability in Tanium Patch Endpoint Tools. Its CVSS base score is 7.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 0.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 AC-25 (Reference Monitor) and AC-6 (Least Privilege).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploitation for Privilege Escalation (T1068). What defenders deploy: see the NIST 800-53 controls recommended below.

Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match

prevent

Directly mitigates CVE-2025-15319 by requiring timely identification, prioritization, testing, and patching of the local privilege escalation flaw in Tanium Patch Endpoint Tools.

AC-6 Least Privilege good match

prevent

Enforces least privilege to limit the scope and impact of local low-privilege (PR:L) attackers exploiting improper link resolution before file access.

AC-25 Reference Monitor good match

prevent

Implements a reference monitor to mediate and enforce access control policies, countering the CWE-59 improper link resolution that enables privilege escalation.

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation

Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.

attack.mitre.org →

Why these techniques?

Local privilege escalation vulnerability (CWE-59) directly enables exploitation for privilege escalation from low-privileged local access.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

Tanium addressed a local privilege escalation vulnerability in Patch Endpoint Tools.

Deeper analysisAI

CVE-2025-15319 is a local privilege escalation vulnerability in Tanium's Patch Endpoint Tools. Tanium has addressed the issue, which falls under CWE-59 (Improper Link Resolution Before File Access) and carries a CVSS v3.1 base score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). The vulnerability was published on 2026-02-09T23:16:05.153.

A local attacker with low privileges (PR:L) can exploit this vulnerability given local access (AV:L), low attack complexity (AC:L), and no user interaction (UI:N). Successful exploitation enables high-impact privileges, compromising confidentiality, integrity, and availability (C:H/I:H/A:H) without changing scope (S:U).

Tanium's security advisory TAN-2025-021 at https://security.tanium.com/TAN-2025-021 provides details on patches and mitigation steps.