---
id: CVE-2026-32153
title: >-
  Use after free in Microsoft Windows Speech allows an authorized attacker to
  elevate privileges locally.
summary: >-
  Use after free in Microsoft Windows Speech allows an authorized attacker to
  elevate privileges locally.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-362
  - CWE-416
vendor: microsoft
product: windows_10_1809
affected:
  - windows_10_1809 < 10.0.17763.8644
  - windows_10_21h2 < 10.0.19044.7184
  - windows_10_22h2 < 10.0.19045.7184
  - windows_11_23h2 < 10.0.22631.6936
  - windows_11_24h2 < 10.0.26100.8246
  - windows_11_25h2 < 10.0.26200.8246
  - windows_11_26h1 < 10.0.28000.1836
patched:
  - windows_10_1809 10.0.17763.8644
  - windows_10_21h2 10.0.19044.7184
  - windows_10_22h2 10.0.19045.7184
  - windows_11_23h2 10.0.22631.6936
  - windows_11_24h2 10.0.26100.8246
  - windows_11_25h2 10.0.26200.8246
  - windows_11_26h1 10.0.28000.1836
published: '2026-04-14'
updated: '2026-08-14'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-32153'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32153'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00256
epssPercentile: 0.15333
ingestedAt: '2026-08-14T17:18:56.405Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-04-15T03:57:00.829778Z'
---

## Overview

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

## Affected

- `windows_10_1809 < 10.0.17763.8644`
- `windows_10_21h2 < 10.0.19044.7184`
- `windows_10_22h2 < 10.0.19045.7184`
- `windows_11_23h2 < 10.0.22631.6936`
- `windows_11_24h2 < 10.0.26100.8246`
- `windows_11_25h2 < 10.0.26200.8246`
- `windows_11_26h1 < 10.0.28000.1836`

## Remediation

Upgrade past the affected range:

- `windows_10_1809 10.0.17763.8644`
- `windows_10_21h2 10.0.19044.7184`
- `windows_10_22h2 10.0.19045.7184`
- `windows_11_23h2 10.0.22631.6936`
- `windows_11_24h2 10.0.26100.8246`
- `windows_11_25h2 10.0.26200.8246`
- `windows_11_26h1 10.0.28000.1836`