# CVE-2026-87086: Tanium Provision denial of service

Source: https://junglewise.ai/threats/cve-2026-87086-tanium-addressed-a-denial-of-service-vulnerability-in-provision  
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-2026-87086 · Severity: high · CVSS 7.5 · Published 2026-10-27

Tanium Provision is a module that manages endpoint provisioning and deployment. An unauthenticated attacker on the network can trigger a denial of service that disrupts the provisioning service. This could prevent new endpoints from being configured or updated, impacting business continuity.

Technologies: [Tanium Provision](https://junglewise.ai/threats/technologies/provision). Vendors: [Tanium](https://junglewise.ai/threats/vendors/tanium).

## Quick answers

**Is CVE-2026-87086 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-87086 being exploited in the wild.

**How severe is CVE-2026-87086?** High severity, with a CVSS score of 7.5, published 27 October 2026.

**Which products and versions are affected?** Tanium Provision 2025H1 (v1.17 to v1.17.150), 2025H2 (v1.23 to v1.23.161), 2026H1 (v1.24 to v1.24.199).

**Is there a fix for CVE-2026-87086?** Yes: fixed in 2025H1 Update 26 (Provision v1.17.150) and later, 2025H2 Update 16 (Provision v1.23.161) and later, 2026H1 Update 9 (Provision v1.24.199) and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-87086 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-87086?** Check whether you run Tanium Provision 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 2025H1 Update 26 (Provision v1.17.150) and later, 2025H2 Update 16 (Provision v1.23.161) and later, 2026H1 Update 9 (Provision v1.24.199) and later

## Technical details

The vulnerability is a denial of service in the Tanium Provision module triggered by a network-based attack vector requiring no authentication or user interaction. An unauthenticated attacker can send a crafted network request to cause service unavailability or crash the Provision module, affecting availability.

## Affected products

- Tanium Provision 2025H1 (v1.17 to v1.17.150), 2025H2 (v1.23 to v1.23.161), 2026H1 (v1.24 to v1.24.199)

## Timeline

- 2026-10-27: advisory

## References

- [https://security.tanium.com/TAN-2026-080](https://security.tanium.com/TAN-2026-080)

## Related threats

- [Tanium multiple products improper certificate validation](https://junglewise.ai/threats/cve-2026-121565-tanium-addressed-an-improper-certificate-validation)
- [Tanium Provision SQL injection](https://junglewise.ai/threats/cve-2026-87085-tanium-addressed-a-sql-injection-vulnerability-in-provision)