---
title: "CVE-2026-108303: Tanium Certificate Manager - Remote Code Execution"
description: "Tanium Certificate Manager contains an unauthorized code execution vulnerability caused by improper access control, letting attackers execute code without authorization, exploit requires no special conditions."
url: https://panop.io/threat-heartbeat/CVE-2026-108303/
---

# CVE-2026-108303 Tanium Certificate Manager - Remote Code Execution

Tanium Certificate Manager contains an unauthorized code execution vulnerability caused by improper access control, letting attackers execute code without authorization, exploit requires no special conditions.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.25% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-108303)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

27 October 2026

Updated

29 October 2026

Weakness

[CWE-77](https://cwe.mitre.org/data/definitions/77.html)

## Vendor fix

Update to the latest version of Tanium Certificate Manager.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-108303](https://nvd.nist.gov/vuln/detail/CVE-2026-108303)
- [https://security.tanium.com/TAN-2026-075](https://security.tanium.com/TAN-2026-075)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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