---
id: "CVE-2026-119392"
page: "https://infrastack.ai/live/CVE-2026-119392"
kind: "vulnerability"
aliases: ["CVE-2026-119392"]
title: "Windows Storage Spaces Controller: heap overflow lets attacker gain higher privileges"
severity: "high"
cvss: 8.8
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: [{"name": "Windows Storage Spaces Controller", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["infrastructure", "privilege-escalation", "storage-spaces", "windows", "windows-server"]
not_affected_if: []
published_at: "2026-11-10T19:19:53+00:00"
first_seen_at: "2026-11-10T19:24:56+00:00"
updated_at: "2026-11-10T22:54:31+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-119392", "first_seen_at": "2026-11-10T19:24:56+00:00"}, {"source": "analyst", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119392", "first_seen_at": "2026-11-10T22:54:31+00:00", "cites": ["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119392", "https://cvefeed.io/vuln/detail/CVE-2026-119392"]}]
exploit_sources: []
---

# Windows Storage Spaces Controller: heap overflow lets attacker gain higher privileges

Link for people: https://infrastack.ai/live/CVE-2026-119392 (this .md is for agents)

A heap-based buffer overflow in the Windows Storage Spaces Controller lets an unauthorized attacker elevate privileges over the network. The sources give a CVSS score of 8.8 but do not describe the exact trigger or the affected Windows versions.

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

## Affected

- vendor:Windows Storage Spaces Controller affected range not listed fixed no fixed version listed

## How to check

Check Windows build (winver or PowerShell Get-ComputerInfo) and confirm the November 10, 2026 cumulative update is installed (Get-HotFix). Look up your exact Windows version in the MSRC Security Update Guide entry for CVE-2026-119392 for the fixed build. Priority: machines using Storage Spaces (Get-StoragePool, Get-VirtualDisk) and servers.

## Fix

Install the November 2026 (2026-11-10) Windows cumulative security update for your Windows version; exact KB and fixed build per version are listed in the MSRC entry (not read here).

## Timeline

- 2026-11-10T19:24:56+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-119392
- 2026-11-10T22:54:31+00:00 analyst https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119392 — MSRC page is JS-only (no text readable); affected list from cvefeed mirror of MSRC data. Exact KB/build per version not read, nothing verified. Patched in Nov 10 2026 Patch Tuesday per MSRC release date; no exploitation or PoC found.

## Documents

- [advisory] MSRC: CVE-2026-119392 Windows Storage Spaces Controller EoP (page is JS-only, no text readable) https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119392
- [describes] cvefeed: CVE-2026-119392 (mirrors MSRC affected list) https://cvefeed.io/vuln/detail/CVE-2026-119392

## From the sources

Heap-based buffer overflow in Windows Storage Spaces Controller allows an unauthorized attacker to elevate privileges over a network.

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