---
id: CVE-2026-59116
title: >-
  Use of a broken or risky cryptographic algorithm in Windows Remote Desktop
  allows an unauthorized attacker to bypass a security feature over a network.
summary: >-
  Use of a broken or risky cryptographic algorithm in Windows Remote Desktop
  allows an unauthorized attacker to bypass a security feature over a network.
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N'
cwe:
  - CWE-327
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T23:17:33.207'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-59116'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59116'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-13T19:43:28.947Z'
vendor: Microsoft
product: Windows 10 Version 1607
affected:
  - windows_10_version_1607 >= 10.0.14393.0 < 10.0.14393.9339
  - windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.9020
  - windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7548
  - windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7548
  - windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7376
  - windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7376
  - windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.8875
  - windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.8875
  - windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2525
  - windows_server_2012 >= 6.2.9200.0 < 6.2.9200.26226
  - windows_server_2012_server_core_installation >= 6.2.9200.0 < 6.2.9200.26226
  - windows_server_2012_r2 >= 6.3.9600.0 < 6.3.9600.23291
  - >-
    windows_server_2012_r2_server_core_installation >= 6.3.9600.0 <
    6.3.9600.23291
  - windows_server_2016 >= 10.0.14393.0 < 10.0.14393.9339
  - >-
    windows_server_2016_server_core_installation >= 10.0.14393.0 <
    10.0.14393.9339
  - windows_server_2019 >= 10.0.17763.0 < 10.0.17763.9020
  - >-
    windows_server_2019_server_core_installation >= 10.0.17763.0 <
    10.0.17763.9020
  - windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5386
  - windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33158
  - >-
    windows_server_2025_server_core_installation >= 10.0.26100.0 <
    10.0.26100.33158
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-13T22:15:40.703052Z'
epss: 0.00404
epssPercentile: 0.34437
---

## Overview

Use of a broken or risky cryptographic algorithm in Windows Remote Desktop allows an unauthorized attacker to bypass a security feature over a network.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.