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CVE-2026-87033 Tanium CVE debrief

CVE-2026-87033 is a medium-severity vulnerability in Tanium Comply, an improper access controls issue addressed by the vendor. The CVE record was published on 2026-09-09T03:17:25.787Z and was last modified on 2026-09-16T15:24:55.310Z. The NVD entry is currently Analyzed. This vulnerability affects Tanium Comply deployments, particularly versions 2.32.0 to 2.32.252, 2.35.0 to 2.35.306, and 2.37.0 to 2.37.308. Defenders should assess exposure and prioritize verification and patching for affected versions.

Vendor
Tanium
Product
Comply
CVSS
MEDIUM 5.4
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 should assess exposure and prioritize verification, especially for versions 2.32.0 to 2.32.252, 2.35.0 to 2.35.306, and 2.37.0 to 2.37.308.

Why it matters

CVE-2026-87033 is a medium-severity vulnerability in Tanium Comply that requires verification of exposure and prioritization of patching for affected versions.

  • Verify exposure in Tanium Comply deployments
  • Prioritize patching for affected versions
  • Monitor for potential unauthorized access attempts

Technical summary

CVE-2026-87033 is a medium-severity vulnerability in Tanium Comply, classified as an improper access controls issue. It has a CVSS score of 5.4. The vulnerability is addressed in various versions of the product, specifically in versions beyond 2.32.252, 2.35.306, and 2.37.308. Defenders should prioritize verifying exposure in Tanium Comply deployments, especially for versions 2.32.0 to 2.32.252, 2.35.0 to 2.35.306, and 2.37.0 to 2.37.308.

Defensive priority

Defenders should prioritize verifying exposure in Tanium Comply deployments, especially for versions 2.32.0 to 2.32.252, 2.35.0 to 2.35.306, and 2.37.0 to 2.37.308.

Recommended defensive actions

  • Verify Tanium Comply version and check for exposure
  • Review and apply vendor advisory guidance
  • Monitor for potential unauthorized access attempts

Evidence notes

The CVE record and NVD detail page provide official information about the vulnerability. The vendor advisory from Tanium offers additional context. Evidence is limited to public sources and may not reflect the full scope or impact of the vulnerability. Defenders should verify exposure and review vendor guidance for affected Tanium Comply deployments.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-87033 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-87033

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

  • CVE-2026-87033 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-87033

    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-2026-039

    3938794e-25f5-4123-a1ba-5cbd7f104512 - Vendor 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.