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High · 7.4 CVE-2026-121565 EUVD-2026-116547GHSA-ww98-p29q-34hf

Tanium addressed an improper certificate validation vulnerability in multiple products

Published Nov 3, 2026 · Updated Nov 6, 2026 · Assigned by Tanium

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.

Affected products

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

References