Is there a public exploit for CVE-2026-121565?

No public exploit for CVE-2026-121565 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-121565?

CVE-2026-121565 scores CVSS 7.4 (v3.1), rated high.

What does CVE-2026-121565 affect?

CVE-2026-121565 affects Tanium Provision Host, Threat Response, Reveal, Comply, Patch, Endpoint Configuration Toolset Solution.

7.4 High

Tanium addressed an improper certificate validation vulnerability in multiple products.

CVE-2026-121565

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.

Assessment

CVSS: 7.4 (v3.1)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 3 November 2026
Last updated: 3 November 2026
Affected: Tanium · Asset · Comply · Connect · Endpoint Configuration Toolset Solution
Assigner: Tanium

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

At the source

EUVD (ENISA)

References

https://security.tanium.com/TAN-2026-092

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