What is CVE-2026-15053?

CVE-2026-15053 is a high-severity vulnerability in Tanium Server, classified under CWE-789. CVSS score: 7.5/10. Published 2026-07-08.

How severe is CVE-2026-15053?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Tanium Server

CVE-2026-15053

Tanium addressed a denial of service vulnerability in Tanium Server.

Published 2026-07-08 · last modified 2026-07-10.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (37.9th percentile), scored 2026-10-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Tanium Server
Tanium Server — versions 7.7.3.8298, 7.8.2.1198, 7.8.4.1327

Weakness classification (CWE)

CWE-789

References

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

Frequently asked questions

What is CVE-2026-15053?: CVE-2026-15053 is a high-severity vulnerability in Tanium Server, classified under CWE-789. CVSS score: 7.5/10. Published 2026-07-08.
How severe is CVE-2026-15053?: High severity. CVSS v3 base score is 7.5 out of 10.