CVE-2026-116657: Tanium Enforce denial of service

CVE-2026-116657 · Severity: medium · CVSS 5.3 · Published 2026-10-27

Tanium Enforce is an endpoint management and compliance tool used by organizations to control and monitor devices across their network. A denial of service vulnerability allows attackers with access to systems running the Tanium Client to crash or disable Enforce, disrupting endpoint management and policy enforcement.

Technologies: Tanium Enforce. Vendors: Tanium.

Quick answers

Is CVE-2026-116657 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-116657 being exploited in the wild.
How severe is CVE-2026-116657?
Medium severity, with a CVSS score of 5.3, published 27 October 2026.
Which products and versions are affected?
Tanium Enforce 2.9 prior to 2.9.736, 2.10 prior to 2.10.778, 3.0 prior to 3.0.373.
Is there a fix for CVE-2026-116657?
Yes: fixed in Enforce 2.9.736, 2.10.778, 3.0.373. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-116657 attacked?
It is attacked over the network.
Am I affected by CVE-2026-116657?
Check whether you run Tanium Enforce 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: Enforce 2.9.736, 2.10.778, 3.0.373

Technical details

A denial of service vulnerability in Tanium Enforce can be triggered by an attacker who has access to a system running the Tanium Client. The vulnerability allows the attacker to cause a service disruption by exhausting resources or triggering a fault condition in Enforce. No authentication bypass is required; the attack requires only network or local access to a Tanium Client-enabled system.

Affected products

  • Tanium Enforce 2.9 prior to 2.9.736, 2.10 prior to 2.10.778, 3.0 prior to 3.0.373

Timeline

  • 2026-10-27: advisory

References

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