Vulnerability · Published Sep 9, 2025 · Assigned by microsoft
CVE-2025-55232Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability
Critical 9.8
In plain English
A critical-severity unsafe deserialization in Microsoft HPC Pack 2019 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)2.1%top 17.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an unauthorized attacker to execute code over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft HPC Pack 2019 | 1.0.0 – before 6.3.8352 Quick Fix QFE |
Weakness: CWE-502 · 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
References
- Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability vendor-advisory, patch