Microsoft HPC Pack < 6.3.8355 Local Privilege Escalation (CVE-2026-32184)

high Nessus Plugin ID 306742

Synopsis

The Microsoft HPC Pack installed on the remote host is affected by a local privilege escalation vulnerability.

Description

The version of Microsoft HPC Pack installed on the remote host is prior to 6.3.8355. It is, therefore, affected by a vulnerability:

- Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an authorized attacker to elevate privileges locally. (CVE-2026-32184)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update to Microsoft HPC Pack version 6.3.8355 or later.

See Also

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

Plugin Details

Severity: High

ID: 306742

File Name: microsoft_hpc_CVE-2026-32184.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows

Published: 4/16/2026

Updated: 4/16/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-32184

CVSS v3

Risk Factor: High

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: x-cpe:/a:microsoft:hpc

Required KB Items: installed_sw/Microsoft HPC Pack

Patch Publication Date: 4/14/2026

Vulnerability Publication Date: 4/14/2026

Reference Information

CVE: CVE-2026-32184

IAVB: 2026-B-0098