CVE-2025-21198

Microsoft Hpc Pack 2016 remote code execution

9.0 CRITICALEPSS 0.94%

Published11 Feb 2025

Description

Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability

CVSS 3.1 breakdown

Attack vectorAdjacent

Attack complexityLow

Privileges requiredLow

User interactionNone

ScopeChanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

Microsoft Hpc Pack 2016< 2016.3

Microsoft Hpc Pack 2019< 6.3.8328.0

Remediation

Fixed in

Microsoft Hpc Pack 2016≥ 2016.3

Microsoft Hpc Pack 2019≥ 6.3.8328.0

Frequently asked

Is CVE-2025-21198 being actively exploited?

CVE-2025-21198 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.94%.

How severe is CVE-2025-21198?

CVE-2025-21198 has a CVSS 3.1 base score of 9.0, rated critical. EPSS estimates a 0.94% probability of exploitation.

Which products are affected by CVE-2025-21198?

Affected products include Microsoft Hpc Pack 2016, Microsoft Hpc Pack 2019.

How do I fix CVE-2025-21198?

Upgrade affected software to a fixed version, for example Microsoft Hpc Pack 2016 2016.3, Microsoft Hpc Pack 2019 6.3.8328.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-21198 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.