# Tanium addressed a local privilege escalation vulnerability in End-User Notifications.

CVE record · `CVE-2026-108304`

- **Identifiers:** `CVE-2026-108304`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Tanium
- **Weakness (CWE):** [CWE-59](https://cwe.mitre.org/data/definitions/59.html) · [CWE-282](https://cwe.mitre.org/data/definitions/282.html)
- **Tags:** [Path traversal](https://agentprime.io/advisories/tag/path-traversal.md) · [CWE-282](https://agentprime.io/advisories/tag/cwe-282.md)
- **Technologies:** [Tanium Endpoint Configuration Toolset Solution](https://agentprime.io/advisories/technology/tanium-endpoint-configuration-toolset-solution.md) · [Tanium end-user-cx](https://agentprime.io/advisories/technology/tanium-end-user-cx.md)
- **Published:** 27 Oct 2026
- **Updated:** 4 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Tanium) at 27 Oct 2026, 17:35 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Tanium. Product: Endpoint Configuration Toolset Solution.
  - affected: `1.51 to before 1.51.60` (custom)
  - affected: `1.59 to before 1.59.50` (custom)
  - affected: `1.71 to before 1.71.25` (custom)
- Vendor: Tanium. Product: end-user-cx.
  - affected: `1.8.47 to before 1.8.47` (semver)
  - affected: `1.11.605 to before 1.11.605` (semver)
  - affected: `1.19.325 to before 1.19.325` (semver)
  - affected: `1.21.835 to before 1.21.835` (semver)
  - affected: `1.22.1199 to before 1.22.1199` (semver)
  - affected: `1.23.766 to before 1.23.766` (semver)
  - affected: `1.24.590 to before 1.24.590` (semver)

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`, from CNA (Tanium)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0012, the 1st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 27 Oct 2026, 17:35 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-108304)
- 27 Oct 2026, 18:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-108304)

## Sources

- [CVE List: CVE-2026-108304](https://www.cve.org/CVERecord?id=CVE-2026-108304)
- [NVD: CVE-2026-108304](https://nvd.nist.gov/vuln/detail/CVE-2026-108304)

### References from the CNA

- <https://security.tanium.com/TAN-2026-058>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-108304>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-108304/>. Everything for agents: <https://agentprime.io/llms.txt>.