# CVE-2026-108304: Tanium addressed a local privilege escalation vulnerability in End-User Notifications.

Status: published. Published: 2026-10-27. Updated: 2026-11-04.

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

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Tanium / Endpoint Configuration Toolset Solution: ≥ 1.51; < 1.51.60 (affected, custom); ≥ 1.59; < 1.59.50 (affected, custom); ≥ 1.71; < 1.71.25 (affected, custom). Source: CNA: Tanium
- Tanium / end-user-cx: ≥ 1.8.47; < 1.8.47 (affected, semver); ≥ 1.11.605; < 1.11.605 (affected, semver); ≥ 1.19.325; < 1.19.325 (affected, semver); ≥ 1.21.835; < 1.21.835 (affected, semver); ≥ 1.22.1199; < 1.22.1199 (affected, semver); ≥ 1.23.766; < 1.23.766 (affected, semver); ≥ 1.24.590; < 1.24.590 (affected, semver). Source: CNA: Tanium

## Severity and prioritization

- CVSS 3.1: 7.8 (high); CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H; source: CNA: Tanium

- CISA KEV: No listing in collected sources

- EPSS: 0.12% as of 2026-11-04; percentile 1.92%

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-59, CWE-282

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://security.tanium.com/TAN-2026-058 (CNA: Tanium)

## Provenance

- CNA: Tanium: https://www.cve.org/CVERecord?id=CVE-2026-108304; retrieved 2026-11-04; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-108304; retrieved 2026-11-04; source updated Not reported

Revision: de138c496275555b28c0fa576212b2c658e83a7a821baf79e7b674d010f6d951

Canonical: https://y2.dev/cve/CVE-2026-108304

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.