# CVE-2026-116657: Tanium Enforce denial of service

Source: https://junglewise.ai/threats/cve-2026-116657-tanium-addressed-a-denial-of-service-vulnerability-in-enforce  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-27. Updated: 2026-10-27  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/enforce). Vendors: [Tanium](https://junglewise.ai/threats/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

- [https://security.tanium.com/TAN-2026-052](https://security.tanium.com/TAN-2026-052)

## Related threats

- [Tanium multiple products improper certificate validation](https://junglewise.ai/threats/cve-2026-121565-tanium-addressed-an-improper-certificate-validation)
- [Tanium Enforce improper access control vulnerability](https://junglewise.ai/threats/cve-2026-116663-tanium-addressed-an-improper-access-controls-vulnerability-in)
- [Tanium Enforce improper access controls](https://junglewise.ai/threats/cve-2026-116661-tanium-addressed-an-improper-access-controls-vulnerability-in)
- [Tanium Enforce compression bomb denial of service](https://junglewise.ai/threats/cve-2026-116662-tanium-addressed-a-compression-bomb-vulnerability-in-enforce)
- [Tanium Enforce improper access controls](https://junglewise.ai/threats/cve-2026-116660-tanium-addressed-an-improper-access-controls-vulnerability-in)