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CVE-2026-15053: Memory Allocation with Excessive Size Value in Tanium Tanium Server

0
High
VulnerabilityCVE-2026-15053cvecve-2026-15053
Published: 07/08/2026 (07/08/2026, 13:46:40 UTC)
Source: CVE Database V5
Vendor/Project: Tanium
Product: Tanium Server

Description

Tanium addressed a denial of service vulnerability in Tanium Server.

CVSS v3.1

Score 7.5high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

Affected versions
7.7.3.82987.8.2.11987.8.4.1327

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/08/2026, 14:29:15 UTC

Technical Analysis

CVE-2026-15053 is a denial of service vulnerability in Tanium Server caused by memory allocation requests with excessively large size values. This can lead to resource exhaustion and service unavailability. The vulnerability affects versions 7.7.3.8298, 7.8.2.1198, and 7.8.4.1327 of Tanium Server. The CVSS 3.1 base score is 7.5, indicating a high severity impact with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability. There is no vendor advisory or patch information currently available to confirm remediation status.

Potential Impact

Successful exploitation of this vulnerability can cause a denial of service condition, resulting in disruption of Tanium Server availability. There is no indication of confidentiality or integrity impact. No known exploits in the wild have been reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor for updates from Tanium and consider limiting exposure of affected versions to untrusted networks.

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Technical Details

Data Version
5.2
Assigner Short Name
Tanium
Date Reserved
2026-07-08T13:33:20.588Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a4e5b30c9d9e3dbe33e525f

Added to database: 07/08/2026, 14:14:08 UTC

Last enriched: 07/08/2026, 14:29:15 UTC

Last updated: 07/08/2026, 15:25:56 UTC

Views: 3

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