---
id: CVE-2026-58635
title: >-
  Improper neutralization of special elements used in a command ('command
  injection') in Windows Narrator Braille allows an authorized attacker to
  elevate privileges locally.
summary: >-
  Improper neutralization of special elements used in a command ('command
  injection') in Windows Narrator Braille 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-77
vendor: microsoft
product: windows_10_1809
affected:
  - windows_10_1809 < 10.0.17763.9020
  - windows_10_21h2 < 10.0.19044.7548
  - windows_10_22h2 < 10.0.19045.7548
  - windows_11_24h2 < 10.0.26100.8875
  - windows_11_25h2 < 10.0.26100.8875
  - windows_11_26h1 < 10.0.28000.2269
  - windows_11_26h1 < 10.0.28000.2525
  - windows_server_2019 < 10.0.17763.9020
  - windows_server_2022 < 10.0.20348.5386
  - windows_server_2025 < 10.0.26100.33158
patched:
  - windows_10_1809 10.0.17763.9020
  - windows_10_21h2 10.0.19044.7548
  - windows_10_22h2 10.0.19045.7548
  - windows_11_24h2 10.0.26100.8875
  - windows_11_25h2 10.0.26100.8875
  - windows_11_26h1 10.0.28000.2525
  - windows_server_2019 10.0.17763.9020
  - windows_server_2022 10.0.20348.5386
  - windows_server_2025 10.0.26100.33158
published: '2026-07-14'
updated: '2026-07-17'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-58635'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58635'
    label: secure@microsoft.com
tags:
  - nvd
  - exploit-available
  - cve.org
epss: 0.00322
epssPercentile: 0.25423
ingestedAt: '2026-07-17T20:15:42.934Z'
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/DavidCarliez/CVE-2026-58635-PoC'
  checkedAt: '2026-09-21T15:29:47.857Z'
exploitAvailable: true
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-07-15T15:54:48.224312Z'
---

## Overview

Improper neutralization of special elements used in a command ('command injection') in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.

## Affected

- `windows_10_1809 < 10.0.17763.9020`
- `windows_10_21h2 < 10.0.19044.7548`
- `windows_10_22h2 < 10.0.19045.7548`
- `windows_11_24h2 < 10.0.26100.8875`
- `windows_11_25h2 < 10.0.26100.8875`
- `windows_11_26h1 < 10.0.28000.2269`
- `windows_11_26h1 < 10.0.28000.2525`
- `windows_server_2019 < 10.0.17763.9020`
- `windows_server_2022 < 10.0.20348.5386`
- `windows_server_2025 < 10.0.26100.33158`

## Remediation

Upgrade past the affected range:

- `windows_10_1809 10.0.17763.9020`
- `windows_10_21h2 10.0.19044.7548`
- `windows_10_22h2 10.0.19045.7548`
- `windows_11_24h2 10.0.26100.8875`
- `windows_11_25h2 10.0.26100.8875`
- `windows_11_26h1 10.0.28000.2525`
- `windows_server_2019 10.0.17763.9020`
- `windows_server_2022 10.0.20348.5386`
- `windows_server_2025 10.0.26100.33158`