High severity · published Apr 14, 2026
CVE-2026-32184
Microsoft High Performance Compute (HPC) Pack Elevation of Privilege Vulnerability
7.8
CVSS
1.9%
EPSS
No
On KEV
Description
Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an authorized attacker to elevate privileges locally.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MH
Microsoft HPC Pack 2019 · Microsoft
1.0.0 before 6.3.8355 · source: vendor
HP
Hpc Pack · Microsoft
before 6.3.8355 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-32184
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-32184
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32184
More from Microsoft HPC Pack 2019
9.8
CVE-2026-59124
Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability
8.8
CVE-2026-59133
Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability