---
id: "CVE-2026-119389"
page: "https://infrastack.ai/live/CVE-2026-119389"
kind: "vulnerability"
aliases: ["CVE-2026-119389"]
title: "Windows Storage: use-after-free lets a local user gain higher privileges"
severity: "high"
cvss: 7.0
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: [{"name": "Windows Storage", "fixed": [], "affected": "Windows 11 23H2/24H2/25H2/26H1/26H2, Windows Server 2022, Windows Server 2025 (builds unconfirmed)", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["infrastructure", "local-privilege-escalation", "windows", "windows-11", "windows-server", "windows-storage"]
not_affected_if: []
published_at: "2026-11-10T19:19:53+00:00"
first_seen_at: "2026-11-10T19:24:56+00:00"
updated_at: "2026-11-10T22:56:38+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-119389", "first_seen_at": "2026-11-10T19:24:56+00:00"}, {"source": "analyst", "url": "https://advisories.checkpoint.com/defense/advisories/public/2026/cpai-2026-17409.html/", "first_seen_at": "2026-11-10T22:56:38+00:00", "cites": ["https://advisories.checkpoint.com/defense/advisories/public/2026/cpai-2026-17409.html/", "https://cvefeed.io/vuln/detail/CVE-2026-119389"]}]
exploit_sources: []
---

# Windows Storage: use-after-free lets a local user gain higher privileges

Link for people: https://infrastack.ai/live/CVE-2026-119389 (this .md is for agents)

A memory-handling flaw in the Windows Storage component lets a user who already has an account on the machine raise their privileges. An attacker who gets a local foothold can take control of the system beyond their assigned rights.

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

## Affected

- vendor:Windows Storage affected Windows 11 23H2/24H2/25H2/26H1/26H2, Windows Server 2022, Windows Server 2025 (builds unconfirmed) fixed no fixed version listed

## How to check

Check Windows build against the MSRC Update Guide entry for CVE-2026-119389 (winver or 'Get-ComputerInfo'); affected per Check Point: Windows 11 23H2, 24H2, 25H2, 26H1, 26H2 (x64 and ARM64), Windows Server 2022 (incl. Server Core), Windows Server 2025 (incl. Server Core). Fixed build numbers not confirmed.

## Timeline

- 2026-11-10T19:24:56+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-119389
- 2026-11-10T22:56:38+00:00 analyst https://advisories.checkpoint.com/defense/advisories/public/2026/cpai-2026-17409.html/ — MSRC page not readable via web-cli (empty). Affected list from Check Point (relaying Microsoft) and cvefeed; no KB/build numbers found, nothing verified. Revisit when MSRC entry loads.

## Documents

- [describes] Check Point CPAI-2026-17409: Windows Storage EoP (CVE-2026-119389) https://advisories.checkpoint.com/defense/advisories/public/2026/cpai-2026-17409.html/
- [mentions] cvefeed: CVE-2026-119389 Windows Storage EoP https://cvefeed.io/vuln/detail/CVE-2026-119389

## From the sources

Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.

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