CVE-2025-15311

Name: CVE-2025-15311
Creator: NVD / NIST
Published: 2026-02-05T19:15:52.44+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.16%

Last modified Jun 17, 2026

CVE-2025-15311 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Tanium addressed an unauthorized code execution vulnerability in Tanium Appliance.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

Description

Tanium addressed an unauthorized code execution vulnerability in Tanium Appliance.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.16%

5.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-150

Affected Software

Vendor	Product	Versions
Tanium	Tanos	< 1.8.3.0146

References

https://security.tanium.com/TAN-2025-002Vendor Advisory

Timeline

Published: Feb 5, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-15311?

Tanium addressed an unauthorized code execution vulnerability in Tanium Appliance.

How severe is CVE-2025-15311?

CVE-2025-15311 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.

How do I fix CVE-2025-15311?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-15311?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST