CVE-2026-14892Network attack vector

Authenticated service interruption

Published Sep 9, 2026 · Updated Sep 9, 2026

Incorrect authorization in Tanium Server 7.7.3, 7.8.2, and 7.8.4 branches allows remote authenticated users to interrupt service. Tanium has not published the affected interface, missing authorization check, triggering request, or server failure mode. Exploitation requires an authenticated Tanium account and causes a bounded service interruption, with no reported data disclosure or modification.

CVSS severity4.3
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in Tanium Server 7.7.3, 7.8.2, and 7.8.4 branches allows remote authenticated users to interrupt service. Tanium has not published the affected interface, missing authorization check, triggering request, or server failure mode. Exploitation requires an authenticated Tanium account and causes a bounded service interruption, with no reported data disclosure or modification.

The record

CVE
CVE-2026-14892
Published
Sep 9, 2026
Updated
Sep 9, 2026
Vendor
Tanium
Product
Tanium Server
Classifications
CWE-863, T1499
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.7.3 <7.7.3.8298
  2. Affected versionversion=7.8.2 <7.8.2.1198
  3. Affected versionversion=7.8.4 <7.8.4.1327

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Tanium · Tanium Serverversion=7.7.3 <7.7.3.8298; version=7.8.2 <7.8.2.1198; version=7.8.4 <7.8.4.1327

Published CVSS scores

4.3TaniumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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