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PatchSiren cyber security CVE debrief

CVE-2026-87019 Tanium CVE debrief

CVE-2026-87019 is a medium-severity vulnerability in Tanium's Comply product, addressed by the vendor. The vulnerability is related to improper access controls, with a CVSS score of 4.3. According to the NVD, the vulnerability affects multiple versions of Comply, specifically 2.32.0 to 2.32.252, 2.35.0 to 2.35.306, and 2.37.0 to 2.37.308. Defenders should verify exposure and apply remediation for affected versions. The vendor has provided guidance on affected versions and remediation. This vulnerability requires verification of exposure and application of vendor-provided remediation.

Vendor
Tanium
Product
Comply
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-09
Original CVE updated
2026-09-16
Advisory published
2026-09-09
Advisory updated
2026-09-16

Who should care

Defenders responsible for Tanium Comply deployments, especially those using affected versions, should assess exposure and apply remediation.

Why it matters

CVE-2026-87019 is a medium-severity vulnerability in Tanium's Comply product that requires verification of exposure and application of vendor-provided remediation.

  • Verify exposure in Comply deployments
  • Apply remediation for affected versions
  • Monitor for potential unauthorized access

Technical summary

The vulnerability, CVE-2026-87019, is an improper access controls issue in Tanium's Comply product. It has a CVSS score of 4.3 and affects multiple versions of Comply, including 2.32.0 to 2.32.252, 2.35.0 to 2.35.306, and 2.37.0 to 2.37.308. The vendor has addressed the vulnerability and provided remediation. Defenders should prioritize verifying exposure in their Comply deployments, especially if using affected versions, and apply vendor-provided remediation. The CVE record and NVD detail page provide information on the vulnerability, including its CVSS score, A

Defensive priority

Defenders should prioritize verifying exposure in their Comply deployments, especially if using affected versions, and apply vendor-provided remediation.

Recommended defensive actions

  • Verify Comply deployment versions and compare to affected versions
  • Apply vendor-provided remediation for affected versions
  • Monitor Comply systems for potential unauthorized access

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, including its CVSS score, affected versions, and vendor-provided remediation. A third-party advisory from Tanium is also available.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-87019 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-87019

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-87019 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-87019

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://security.tanium.com/TAN-2026-035

    3938794e-25f5-4123-a1ba-5cbd7f104512 - Third Party Advisory

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.