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TI-2026-24717 Aliases CVE-2026-32184GHSA-c6vr-grf8-r7qj

Microsoft High Performance Compute (HPC) Pack Elevation of Privilege Vulnerability

Priority MEDIUM 40CWE-502Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
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 authorized attacker to elevate privileges locally.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01928 80th percentileScored 2026-11-07
Fix Fixed Microsoft: 1 update

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft HPC Pack 20191.0.0 to before 6.3.83556.3.8355Patch availableCNA
  • Microsoft HPC Pack 2019 VendorMicrosoft Affected 1.0.0 to before 6.3.8355 Fixed in 6.3.8355 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:hpc_pack:*:*:*:*:*:*:*:*before 6.3.8355VulnerableMicrosoft
  • cpe:2.3:a:microsoft:hpc_pack:*:*:*:*:*:*:*:* Versions before 6.3.8355 Vulnerable ·Microsoft

Remediation

Microsoft 1 update

  • Security Update
    • Microsoft HPC Pack 2019 6.3.8355

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-32184
  2. 2026-10-03 Alias added: GHSA-c6vr-grf8-r7qj

References

  • TI-2025-34901 Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8

Sources