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CVE-2025-55232

Microsoft Hpc Pack insecure deserialization

9.8 CRITICALEPSS 2.06%
  1. Published9 Sept 2025

Description

Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an unauthorized attacker to execute code over a network.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Microsoft Hpc Pack< 6.3.8352

Remediation

Fixed in
Microsoft Hpc Pack≥ 6.3.8352

References

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Frequently asked

Is CVE-2025-55232 being actively exploited?

CVE-2025-55232 is not in the CISA KEV catalog. Its EPSS exploit probability is 2.06%.

How severe is CVE-2025-55232?

CVE-2025-55232 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 2.06% probability of exploitation.

Which products are affected by CVE-2025-55232?

Affected products include Microsoft Hpc Pack.

How do I fix CVE-2025-55232?

Upgrade affected software to a fixed version, for example Microsoft Hpc Pack 6.3.8352 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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