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

Summary

Execution with unnecessary privileges in Microsoft High Performance Computing (HPC) Pack allows an authorized attacker to elevate privileges over a network. Published in August 2026 Security Updates. MSRC exploitability: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation More Likely.

Why it matters

Microsoft published this item through its Security Update Guide, making it part of Patch Tuesday triage for affected Windows, cloud, or application estates.

Operator check

Review the Microsoft Security Update Guide entry for CVE-2026-59133. Confirm whether Microsoft High Performance Computing (HPC) Pack is deployed, then apply the current security update or documented mitigation. CVSS score: 8.8.

Sources