Tanium addressed an improper certificate validation vulnerability in multiple products. Products have been updated to distrust several intermediate CA certificates associated with compromised private keys.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Tanium TanOS affected
Version Status Constraints
1.8.5 affected < 1.8.5.0326
1.8.6 affected < 1.8.6.0193
1.9.0 affected < 1.9.0.0089
Tanium Asset affected
Version Status Constraints
1.33 affected < 1.33.334
1.36 affected < 1.36.182
1.39 affected < 1.39.164
Tanium Comply affected
Version Status Constraints
2.32 affected < 2.32.275
2.35 affected < 2.35.337
2.37 affected < 2.37.347
Tanium Connect affected
Version Status Constraints
5.29 affected < 5.29.272
5.37 affected < 5.37.177
5.47 affected < 5.47.135
Tanium Integrity Monitor affected
Version Status Constraints
3.6 affected < 3.6.608
3.7 affected < 3.7.383
3.8 affected < 3.8.362
Tanium Health Check affected
Version Status Constraints
1.13 affected < 1.13.653
Tanium Endpoint Configuration Toolset Solution affected
Version Status Constraints
1.51 affected < 1.51.61
1.59 affected < 1.59.51
1.71 affected < 1.71.26
Tanium Patch affected
Version Status Constraints
3.24 affected < 3.24.328
3.28 affected < 3.28.346
3.32 affected < 3.32.383
Tanium Performance affected
Version Status Constraints
1.22 affected < 1.22.355
1.23 affected < 1.23.318
1.25 affected < 1.25.196
Tanium Reputation affected
Version Status Constraints
6.6 affected < 6.6.150
6.7 affected < 6.7.143
6.8 affected < 6.8.167
Tanium Reveal affected
Version Status Constraints
2.4 affected < 2.4.109
2.5 affected < 2.5.166
Tanium Threat Response affected
Version Status Constraints
4.9 affected < 4.9.480
4.12 affected < 4.12.353
4.17 affected < 4.17.333
Tanium Provision Host affected
Version Status Constraints
10.4.100 affected < 10.4.100
10.8.115 affected < 10.8.115
10.9.113 affected < 10.9.113
10.10.189 affected < 10.10.189
10.11.127 affected < 10.11.127

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://security.tanium.com/TAN-2026-092 cve-icon cve-icon
History

Tue, 03 Nov 2026 22:30:00 +0000

Type Values Removed Values Added
Description Tanium addressed an improper certificate validation vulnerability in multiple products. Products have been updated to distrust several intermediate CA certificates associated with compromised private keys.
Title Tanium addressed an improper certificate validation vulnerability in multiple products
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Tanium

Published:

Updated: 2026-11-03T22:17:22.997Z

Reserved: 2026-11-03T14:58:47.328Z

Link: CVE-2026-121565

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-03T23:17:35.080

Modified: 2026-11-03T23:17:35.203

Link: CVE-2026-121565

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses