CVE-2026-116668: Tanium Discover uncontrolled resource consumption

CVE-2026-116668 · Severity: medium · CVSS 4.3 · Published 2026-11-03

Tanium Discover is an IT asset discovery and management tool used to catalog and monitor devices across enterprise networks. An authenticated user with Discover Asset read permission can trigger a denial of service attack that makes the Discover service unavailable to other users.

Technologies: Tanium Discover. Vendors: Tanium.

Quick answers

Is CVE-2026-116668 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-116668 being exploited in the wild.
How severe is CVE-2026-116668?
Medium severity, with a CVSS score of 4.3, published 3 November 2026.
Which products and versions are affected?
Tanium Discover 2025H1 v4.10.0-v4.10.204, 2025H2 v4.15.0-v4.15.218, 2026H1 v4.19.0-v4.19.137.
Is there a fix for CVE-2026-116668?
Yes: fixed in Discover 2025H1 Update 26 (v4.10.204) and later, 2025H2 Update 16 (v4.15.218) and later, 2026H1 Update 9 (v4.19.137) and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-116668 attacked?
It is attacked over the network, in a hosted service.
Am I affected by CVE-2026-116668?
Check whether you run Tanium Discover at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: Discover 2025H1 Update 26 (v4.10.204) and later, 2025H2 Update 16 (v4.15.218) and later, 2026H1 Update 9 (v4.19.137) and later

Technical details

An uncontrolled resource consumption vulnerability in Tanium Discover allows authenticated users with the Discover Asset read permission to exhaust resources and cause a denial of service. The attack requires network access and valid Tanium authentication; no user interaction is required once the attacker has access. A fix is available in patched update releases.

Affected products

  • Tanium Discover 2025H1 v4.10.0-v4.10.204, 2025H2 v4.15.0-v4.15.218, 2026H1 v4.19.0-v4.19.137

Timeline

  • 2026-11-03: advisory

References

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