Quick answers
- Is CVE-2026-87021 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-87021 being exploited in the wild.
- How severe is CVE-2026-87021?
- High severity, with a CVSS score of 7.2, published 9 September 2026.
- Which products and versions are affected?
- Tanium Comply 2.32 to 2.32.251, 2.35 to 2.35.305, 2.37 to 2.37.307.
- Is there a fix for CVE-2026-87021?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-87021 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-87021?
- Check whether you run Tanium Comply 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.
Technical details
The vulnerability is an unauthorized code execution flaw in Tanium Comply that allows authenticated users with Comply Report Content Write and Comply Report Write permissions to execute arbitrary code in the context of the Comply service. The vulnerability is exploitable over the network without user interaction, though it requires high-privilege authentication and specific role permissions to trigger. An attacker with these permissions could achieve code execution with full impact to confidentiality, integrity, and availability. Patches are available via product updates: v2.32.252 or later (2025H1), v2.35.306 or later (2025H2), and v2.37.308 or later (2026H1).
Affected products
- Tanium Comply 2.32 to 2.32.251, 2.35 to 2.35.305, 2.37 to 2.37.307
Timeline
- 2026-09-09: disclosed