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CVE-2026-121565

Tanium addressed an improper certificate validation vulnerability in multiple products

CVSS 3.1 7.4 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 3 Nov 2026 23:57:16 UTC. Read the latest advisory.

cve-program · CVE-2026-121565

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-121565

Published

Tanium addressed an improper certificate validation vulnerability in multiple products

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.

Source published
3 Nov 2026 22:17:22 UTC
Source modified
3 Nov 2026 22:17:22 UTC
Saved here
3 Nov 2026 23:57:16 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 14 Nov 10:21 UTC · 268 of 275 readable · 264 fully read · documentation 469/469 current

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