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TAN-2026-086

Tanium addressed a denial of service vulnerability in Tanium Client.

Severity: Medium

Base Score: 6.5

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

Impact

This vulnerability could allow an unauthenticated attacker to perform a denial of service attack against the Tanium Client.

Products Affected

2025H2 Release:

  • Tanium Client prior to Update 16 (v7.8.2 to v7.8.2.1258)

2026H1 Release:

  • Tanium Client prior to Update 9 (v7.8.4 to v7.8.4.1394)

Available Updates

2025H2 Release:

  • Update 16 (Tanium Client v7.8.2.1258) and later

2026H1 Release:

  • Update 9 (Tanium Client v7.8.4.1394) and later

Workaround and Mitigations

None.

Acknowledgements

None.