Cyber Resilience

CVE-2026-6408

Exposed Creds in Tanium Server 7.6.4.0 – 7.6.4.2185

Published
22 April 2026
Modified
05 May 2026
Patch / advisory
CVSS Score v3.1 2.7
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0018 8th percentile
Risk Priority 15 floored blend · peak EPSS

Summary

CVE-2026-6408 is a low-severity Insufficiently Protected Credentials (CWE-522) vulnerability in Tanium Server. Its CVSS base score is 2.7 (Low).

Operationally, exploitation aligns with the MITRE ATT&CK technique Unsecured Credentials (T1552); ranked at the 8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to IA-5 (Authenticator Management) and SC-28 (Protection of Information at Rest) — see the control section below for these in your framework.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

Tanium addressed an information disclosure vulnerability in Tanium Server.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1552 Unsecured Credentials Credential Access
Adversaries may search compromised systems to find and obtain insecurely stored credentials.
Why these techniques?

CWE-522 insufficiently protected credentials directly maps to unsecured credential discovery/disclosure in Tanium Server.

Confidence: MEDIUM · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-15322Same product: Tanium Server
CVE-2026-9156Same product: Tanium Server
CVE-2025-15317Same product: Tanium Server
CVE-2026-15053Same product: Tanium Server
CVE-2025-15316Same product: Tanium Server
CVE-2025-15315Same product: Tanium Server
CVE-2026-20733Shared CWE-522
CVE-2025-64898Shared CWE-522
CVE-2026-9079Shared CWE-522
CVE-2025-7386Shared CWE-522

Affected Assets

tanium
server
7.6.4.0 — 7.6.4.2185 · 7.7.3.0 — 7.7.3.8266 · 7.8.2.0 — 7.8.2.1168

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)
  • IA-5 Authenticator Management
  • SC-28 Protection of Information at Rest
  • AC-6 Least Privilege
Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)
  • 1 hardening rule · 1 OS baseline
Validate
Prove the fix (OWASP ASVS)
  • V11.3.3

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly requires secure generation, storage, and distribution of authenticators to prevent the credential disclosure described by CWE-522.

prevent

Mandates cryptographic protection of sensitive data (including credentials) at rest on the Tanium Server, blocking unauthorized disclosure.

prevent

Enforces least privilege so that only authorized processes/users can access credential stores, reducing the impact of the information disclosure flaw.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.DS-01 full match
prevents

Encrypting data-at-rest fully prevents insecure credential storage while only partially satisfying the broader data-protection outcome.

PR.DS-02 full match
prevents

Encrypting data-in-transit fully prevents interception of credentials in motion while only partially satisfying the broader data-protection outcome.

PR.AA-01 mostly match
prevents

Credential management practices directly reduce insecure storage/transmission but do not guarantee encryption or transport protection.

PR.AA-04 mostly match
prevents

Protecting identity assertions covers conveyance of credentials but is narrower than full credential lifecycle protection.

PR.AA-03 partial match
prevents

Authentication policies can enforce stronger credential handling yet address only verification, not storage or transit protection.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

prevents

Requiring protected storage, transmission, and non-display of passwords prevents credentials from being stored or sent in clear text where they can be harvested by unauthorized actors.

prevents

Protecting secret and private keys against disclosure and unauthorized use decreases the exposure of credentials that are stored or transmitted in recoverable form.

prevents

Forbidding clear-text transmission and display of passwords, plus the use of stronger alternatives to passwords, prevents credentials from being obtained or reused by attackers.

prevents

Acceptable-use expectations that cover protection of credentials and information assets throughout their lifecycle discourage practices that expose or mishandle authentication material.

prevents

Contractual clauses that survive termination help ensure that credentials and other secrets are not retained or misused after employment ends.

prevents

Regular reminders about password security and personal accountability make users less likely to store or transmit credentials in cleartext or other unprotected forms.

References