CVE-2025-55232 CRITICAL

CVE-2025-55232: Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability

Vendor Microsoft
Product Microsoft HPC Pack 2019
Weakness CWE-502 · Unsafe deserialization
Published September 9, 2025
Last update February 20, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an unauthorized attacker to execute code over a network.

Key dates

02Disclosure timeline

September 9, 2025 CVE published
February 20, 2026 Record updated

Related vulnerabilities

04Related CVE