CVE-2026-15053
CVE-2026-15053 is a high-severity vulnerability in Tanium Server with a CVSS 3.x base score of 7.5. 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-789.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-789
- Affected product: Tanium Server
- Published:
- Last modified:
Description
Tanium addressed a denial of service vulnerability in Tanium Server.
Frequently asked questions
- What is CVE-2026-15053?
- Tanium addressed a denial of service vulnerability in Tanium Server.
- How severe is CVE-2026-15053?
- CVE-2026-15053 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-15053 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-15053?
- CVE-2026-15053 affects Tanium Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-15053?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-15053 published?
- CVE-2026-15053 was published on 2026-07-08 and last updated on 2026-07-10.
References
Affected products (1)
- cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*
More vulnerabilities in Tanium Server
- CVE-2025-15316 — Medium (CVSS 6.7): Tanium addressed a local privilege escalation vulnerability in Tanium Server.
- CVE-2025-15315 — Medium (CVSS 6.7): Tanium addressed a local privilege escalation vulnerability in Tanium Module Server.
- CVE-2026-9156 — Medium (CVSS 6.5): Tanium addressed a denial of service vulnerability in Tanium Server.
- CVE-2025-15317 — Medium (CVSS 6.5): Tanium addressed an uncontrolled resource consumption vulnerability in Tanium Server.
- CVE-2025-15322 — Medium (CVSS 4.3): Tanium addressed an improper access controls vulnerability in Tanium Server.
- CVE-2026-11925 — Low (CVSS 2.7): Tanium addressed a User Interface (UI) Misrepresentation of Critical Information vulnerability in Tanium Server.
All CVEs affecting Tanium Server →
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