What is CVE-2025-15331?

CVE-2025-15331 is a medium-severity vulnerability in Tanium Connect, classified under Incomplete Cleanup. CVSS score: 4.3/10. Published 2026-02-05.

How severe is CVE-2025-15331?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Tanium Connect

CVE-2025-15331

Tanium addressed an uncontrolled resource consumption vulnerability in Connect.

Published 2026-02-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.004 (28.6th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000

Affected products

Tanium Connect — versions 5.22.0, 5.26.0

Weakness classification (CWE)

CWE-459 — Incomplete Cleanup

References

3938794e-25f5-4123-a1ba-5cbd7f104512 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-15331?: CVE-2025-15331 is a medium-severity vulnerability in Tanium Connect, classified under Incomplete Cleanup. CVSS score: 4.3/10. Published 2026-02-05.
How severe is CVE-2025-15331?: Medium severity. CVSS v3 base score is 4.3 out of 10.