CVE-2026-15053
Received Received - Intake

Denial of Service Vulnerability in Tanium Server

Publication date: 2026-07-08

Last updated on: 2026-07-08

Assigner: Tanium

Description
Tanium addressed a denial of service vulnerability in Tanium Server.

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Meta Information

Published
2026-07-08
Last Modified
2026-07-08
Generated
2026-07-08
AI Q&A
2026-07-08
EPSS Evaluated
N/A
NVD
CVE-2026-15053
EUVD
EUVD-2026-42245

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
tanium tanium_server to 2025H1 (exc)
tanium tanium_server to 2025H2 (exc)
tanium tanium_server to 2026H1 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-789 The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated.

Attack-Flow Graph

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Compliance Impact

The provided information does not specify how the denial of service vulnerability in Tanium Server (CVE-2026-15053) affects compliance with common standards and regulations such as GDPR or HIPAA.

Executive Summary

This vulnerability is a denial of service (DoS) issue in the Tanium Server. It allows an unauthenticated attacker to disrupt the normal operation of the server by causing it to become unavailable or unresponsive.

The vulnerability has a high severity rating with a CVSS base score of 7.5, indicating it is a serious issue that can be exploited remotely over the network without any privileges or user interaction.

Impact Analysis

This vulnerability can impact you by allowing an attacker to cause a denial of service on your Tanium Server. This means the server could become unavailable or stop functioning properly, potentially disrupting your security management and endpoint monitoring capabilities.

Mitigation Strategies

To mitigate the denial of service vulnerability in Tanium Server (CVE-2026-15053), you should update your Tanium Server to the patched versions available in the 2025H1, 2025H2, or 2026H1 releases as appropriate.

No workarounds or acknowledgments were mentioned in the advisory, so applying the official updates is the recommended immediate step.

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