Detections
Analytics

Tanium Server 7.6.4.x < 7.6.4.2190 / 7.7.3.x < 7.7.3.8274 / 7.8.2.x < 7.8.2.1176 DoS (TAN-2026-013)

high Nessus Plugin ID 317398

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Synopsis

The remote host is affected by a denial of service vulnerability.

Description

The version of Tanium Server installed on the remote host is 7.6.4.x prior to 7.6.4.2190, 7.7.3.x prior to 7.7.3.8274, or 7.8.2.x prior to 7.8.2.1176. It is, therefore, affected by a denial of service vulnerability as referenced in the TAN-2026-013 advisory.

 - Tanium addressed a denial of service vulnerability in Tanium Server. This vulnerability could allow an attacker with network access to the Tanium Server to craft messages to exhaust server file descriptors and memory. (CVE-2026-9156)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Tanium Server version 7.6.4.2190, 7.7.3.8274, 7.8.2.1176, or later.

See Also

https://security.tanium.com/TAN-2026-013

Plugin Details

Severity: High

ID: 317398

File Name: tanium_server_tan-2026-013.nasl

Version: 1.3

Type: Local

Agent: windows

Family: Windows

Published: 5/28/2026

Updated: 6/1/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-9156

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:tanium:tanium_server

Required KB Items: installed_sw/Tanium Server

Exploit Ease: No known exploits are available

Patch Publication Date: 5/27/2026

Vulnerability Publication Date: 5/27/2026

Reference Information

CVE: CVE-2026-9156

IAVB: 2026-B-0137