What’s Vulnerable › Vulnerabilities

CVE-2026-32184: Microsoft High Performance Compute (HPC) Pack Elevation of Privilege Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-14 · updated 2026-10-26
• Weakness: CWE-502

Description

Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an authorized attacker to elevate privileges locally.

Affected products

• Microsoft HPC Pack 2019: before 6.3.8355 — fixed in 6.3.8355
• Microsoft HPC Pack 2019: from 1.0.0 before 6.3.8355 — fixed in 6.3.8355

How to fix

Upgrade to a fixed version: Microsoft HPC Pack 2019 6.3.8355; Microsoft HPC Pack 2019 6.3.8355. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32184

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