How severe is CVE-2025-15339?

CVE-2025-15339 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-15339 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-15339?

CVE-2025-15339 affects Tanium Discover. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-15339?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-15339 have an EU (EUVD) identifier?

Yes. CVE-2025-15339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206846.

When was CVE-2025-15339 published?

CVE-2025-15339 was published on 2026-02-05 and last updated on 2026-06-17.

CVE-2025-15339

CVE-2025-15339 is a medium-severity vulnerability in Tanium Discover with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206846
Weakness: CWE-276
Affected product: Tanium Discover
Published: 2026-02-05
Last modified: 2026-06-17

Description

Tanium addressed an incorrect default permissions vulnerability in Discover.

Frequently asked questions

What is CVE-2025-15339?: Tanium addressed an incorrect default permissions vulnerability in Discover.
How severe is CVE-2025-15339?: CVE-2025-15339 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-15339 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-15339?: CVE-2025-15339 affects Tanium Discover. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-15339?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-15339 have an EU (EUVD) identifier?: Yes. CVE-2025-15339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206846.
When was CVE-2025-15339 published?: CVE-2025-15339 was published on 2026-02-05 and last updated on 2026-06-17.

References

https://security.tanium.com/TAN-2025-029

Affected products (1)

cpe:2.3:a:tanium:discover:*:*:*:*:*:*:*:*

More vulnerabilities in Tanium Discover

CVE-2025-15325 — Medium (CVSS 6.3): Tanium addressed an improper input validation vulnerability in Discover.
CVE-2026-1224 — Medium (CVSS 4.9): Tanium addressed an uncontrolled resource consumption vulnerability in Discover.
CVE-2026-0925 — Low (CVSS 2.7): Tanium addressed an improper input validation vulnerability in Discover.

All CVEs affecting Tanium Discover →

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Browse all CWE-276 (Incorrect Default Permissions) vulnerabilities →