CVE-2026-87113 Tanium CVE debrief

Who should care

Defenders responsible for Tanium Threat Response deployments should assess exposure and prioritize remediation based on the vendor's guidance.

Why it matters

CVE-2026-87113 is a medium-severity vulnerability in Tanium's Threat Response product. Defenders should prioritize verifying exposure in their deployments and review vendor remediation guidance. The vulnerability is an improper access controls issue, but details about affected versions, exploitation, and remediation are limited in the source corpus.

• Verify Tanium Threat Response systems for potential vulnerability
• Assess exposure and prioritize remediation based on vendor guidance
• Inventory and track Tanium Threat Response deployments for vulnerability management

Technical summary

CVE-2026-87113 is a medium-severity vulnerability in Tanium's Threat Response product. The vulnerability is described as an improper access controls issue. The CVSS score is 6.3, and the CVSS severity is MEDIUM. The CVE record was published on 2026-09-16T20:17:38.090Z and was last modified on 2026-09-18T19:19:49.643Z.

Defensive priority

Defenders should prioritize verifying exposure in their Tanium Threat Response deployments and review vendor remediation guidance.

Recommended defensive actions

• Verify Tanium Threat Response deployments for exposure
• Review vendor remediation guidance
• Inventory and assess Tanium Threat Response systems for potential vulnerability

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. The vendor, Tanium, has addressed an improper access controls vulnerability in Threat Response. However, details about affected versions, exploitation, and remediation are not provided in the source corpus.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.