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Microsoft Security Response CenterCVE-2026-59133

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

Execution with unnecessary privileges in Microsoft High Performance Computing (HPC) Pack allows an authorized attacker to elevate privileges over a network.

Read the vendor bulletin Get alerts for Microsoft HPC Pack
8.8CVSS out of 10High severity
Scope

What the vendor says is affected

  • Microsoft HPC Pack 2019

Versions the vendor lists as fixed

  • 6.3.8359
Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site
Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • Added affected products: Microsoft HPC Pack 2019.
    • Removed affected products: Windows App Client for Windows Desktop.
    • Added fixed versions: 6.3.8359.
    • Removed fixed versions: 2.0.1193.0.
    • The vendor changed its remediation guidance.
Timeline

When this advisory changed

  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.

  3. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-59133View CVSS, KEV, EPSS, and threat context
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