---
id: "CVE-2026-122987"
page: "https://infrastack.ai/live/CVE-2026-122987"
kind: "vulnerability"
aliases: ["CVE-2026-122987"]
title: "Microsoft HPC Pack: missing authentication lets an attacker gain higher privileges"
severity: "medium"
cvss: 5.9
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["hpc-pack", "microsoft", "vendor", "windows"]
not_affected_if: []
published_at: "2026-11-10T19:20:38+00:00"
first_seen_at: "2026-11-10T19:25:11+00:00"
updated_at: "2026-11-10T19:59:57+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-122987", "first_seen_at": "2026-11-10T19:25:11+00:00"}]
exploit_sources: []
---

# Microsoft HPC Pack: missing authentication lets an attacker gain higher privileges

Link for people: https://infrastack.ai/live/CVE-2026-122987 (this .md is for agents)

Microsoft High Performance Computing (HPC) Pack has a critical function that runs without an authentication check. An unauthorized attacker on the network can elevate their privileges.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-11-10T19:25:11+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-122987

## From the sources

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

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_