What is CVE-2026-32184?

CVE-2026-32184 is a high-severity vulnerability in Microsoft Hpc_pack, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-04-14.

How severe is CVE-2026-32184?

High severity. CVSS v3 base score is 7.8 out of 10.

Deserialization in Microsoft Hpc_pack

CVE-2026-32184

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

Vulnerability class: Insecure Deserialization

EPSS: 0.005 (66.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Hpc_pack
Microsoft Hpc Pack 2019 — versions 1.0.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

Microsoft High Performance Compute (HPC) Pack Elevation of Privilege Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-32184?: CVE-2026-32184 is a high-severity vulnerability in Microsoft Hpc_pack, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-04-14.
How severe is CVE-2026-32184?: High severity. CVSS v3 base score is 7.8 out of 10.