Deserialization of Untrusted Data in Microsoft HPC Pack - CVE-2026-32184
Published: April 15, 2026
Vulnerability identifier: #VU126204
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-32184
CWE-ID: CWE-502
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insecure input validation when processing serialized data in Microsoft High Performance Compute (HPC) Pack. A local user can pass specially crafted data to the application and gain elevated privileges on the target system.
Affected software
Microsoft HPC Pack
How to mitigate CVE-2026-32184
Install updates from vendor's website.
Microsoft HPC Pack - update to 6.3.8355