Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability
Priority MEDIUM 53CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an unauthorized attacker to execute code over a network.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02134 82nd percentileScored 2026-11-07
Fix Fixed Microsoft: 1 update
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft HPC Pack 2019 | 1.0.0 to before 6.3.8352 Quick Fix QFE | 6.3.8352 Quick Fix QFE | Patch available | CNA |
- Microsoft HPC Pack 2019 VendorMicrosoft Affected 1.0.0 to before 6.3.8352 Quick Fix QFE Fixed in 6.3.8352 Quick Fix QFE Patch available CNA
Remediation
Microsoft 1 update
- Security Update
- Microsoft HPC Pack 2019 6.3.8352 Quick Fix QFE
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Remote Code Execution
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2025-55232
- 2026-10-03 Alias added: GHSA-w36g-ppvw-ghp6
More Microsoft Hpc Pack vulnerabilities
- TI-2026-24717 Microsoft High Performance Compute (HPC) Pack Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
Sources
- CVE-2025-55232 · CVE Program
- CVE-2025-55232 · NVD
- FIRST EPSS
- GHSA-w36g-ppvw-ghp6 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-55232 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences