---
id: CVE-2026-69321
title: >-
  Missing authentication for critical function in Windows Power Dependency
  Coordinator allows an authorized attacker to perform tampering locally.
summary: >-
  Missing authentication for critical function in Windows Power Dependency
  Coordinator allows an authorized attacker to perform tampering locally.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-306
vendor: Microsoft
product: Windows 10 Version 1607
affected:
  - windows_10_version_1607 >= 10.0.14393.0 < 10.0.14393.9512
  - windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.9245
  - windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7725
  - windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7725
  - windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7582
  - windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7582
  - windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9445
  - windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9445
  - windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2954
  - windows_server_2012 >= 6.2.9200.0 < 6.2.9200.26349
  - windows_server_2012_server_core_installation >= 6.2.9200.0 < 6.2.9200.26349
  - windows_server_2012_r2 >= 6.3.9600.0 < 6.3.9600.23397
  - >-
    windows_server_2012_r2_server_core_installation >= 6.3.9600.0 <
    6.3.9600.23397
  - windows_server_2016 >= 10.0.14393.0 < 10.0.14393.9512
  - >-
    windows_server_2016_server_core_installation >= 10.0.14393.0 <
    10.0.14393.9512
  - windows_server_2019 >= 10.0.17763.0 < 10.0.17763.9245
  - >-
    windows_server_2019_server_core_installation >= 10.0.17763.0 <
    10.0.17763.9245
  - windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5622
  - windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33438
  - >-
    windows_server_2025_server_core_installation >= 10.0.26100.0 <
    10.0.26100.33438
published: '2026-09-08'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T18:16:59.750'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-69321'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69321'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-09T17:56:28.321153Z'
epss: 0.00288
epssPercentile: 0.21514
ingestedAt: '2026-09-08T19:08:49.609Z'
---

## Overview

Missing authentication for critical function in Windows Power Dependency Coordinator allows an authorized attacker to perform tampering locally.

## Remediation

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