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Microsoft Security Response CenterCVE-2026-122987

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

HighVendor CVSS 5.9 / 10 1 CVE Published Nov 10, 2026 at 8:00 AM UTC

Summary

Missing authentication for critical function in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to elevate privileges over a network.

Products covered

  • Microsoft HPC Pack 2019

  • Microsoft HPC Pack 2016

Remediation

Release Notes

Vendor-listed fixes

  • 6.3.8364

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.