---
id: CVE-2026-32224
title: >-
  Use after free in Windows Server Update Service allows an authorized attacker
  to elevate privileges locally.
summary: >-
  Use after free in Windows Server Update Service allows an authorized attacker
  to elevate privileges locally.
severity: high
cvss: 7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-416
vendor: microsoft
product: windows_11_26h1
affected:
  - windows_11_26h1 < 10.0.28000.1836
patched:
  - windows_11_26h1 10.0.28000.1836
published: '2026-04-14'
updated: '2026-07-25'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-32224'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32224'
    label: secure@microsoft.com
tags:
  - nvd
epss: 0.00264
epssPercentile: 0.16208
ingestedAt: '2026-07-26T10:11:58.981Z'
---

## Overview

Use after free in Windows Server Update Service allows an authorized attacker to elevate privileges locally.

## Affected

- `windows_11_26h1 < 10.0.28000.1836`

## Remediation

Upgrade past the affected range:

- `windows_11_26h1 10.0.28000.1836`