Review reviewHigh

CVE-2026-15053

Tanium Tanium Server, server

CVE-2026-15053 affects Tanium Tanium Server, server. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

CVSS
7.5
EPSS
0.40%
33.2% percentile
CISA KEV
Not listed
Published
2026.07.08
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.40%
Technical severityCVSS 7.5

Vulnerability overview

CVE-2026-15053 affects Tanium Tanium Server, server. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

Affected product and versions

Product
Tanium Tanium Server, server
Affected versions
7.7.3.8298, 7.8.2.1198, 7.8.4.1327, >= 7.7.3.0 < 7.7.3.8298, >= 7.8.2.0 < 7.8.2.1198, >= 7.8.4.0 < 7.8.4.1327
Fixed versions
7.7.3.8298, 7.8.2.1198, 7.8.4.1327

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Tanium Tanium Server, server and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-789