---
id: CVE-2026-69554
title: >-
  Missing authentication for critical function in Microsoft Windows Search
  Component allows an authorized attacker to perform tampering locally.
summary: >-
  Missing authentication for critical function in Microsoft Windows Search
  Component 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_1607
affected:
  - windows_10_1607 < 10.0.14393.9512
  - windows_10_1809 < 10.0.17763.9245
  - windows_10_21h2 < 10.0.19044.7725
  - windows_10_22h2 < 10.0.19045.7725
  - windows_11_23h2 < 10.0.22631.7582
  - windows_11_24h2 < 10.0.26100.9445
  - windows_11_25h2 < 10.0.26200.9445
  - windows_11_26h1 < 10.0.28000.2954
  - windows_server_2012
  - windows_server_2012 = r2
  - windows_server_2016 < 10.0.14393.9512
  - windows_server_2019 < 10.0.17763.9245
  - windows_server_2022 < 10.0.20348.5622
  - windows_server_2025 < 10.0.26100.33438
patched:
  - windows_10_1607 10.0.14393.9512
  - windows_10_1809 10.0.17763.9245
  - windows_10_21h2 10.0.19044.7725
  - windows_10_22h2 10.0.19045.7725
  - windows_11_23h2 10.0.22631.7582
  - windows_11_24h2 10.0.26100.9445
  - windows_11_25h2 10.0.26200.9445
  - windows_11_26h1 10.0.28000.2954
  - windows_server_2016 10.0.14393.9512
  - windows_server_2019 10.0.17763.9245
  - windows_server_2022 10.0.20348.5622
  - windows_server_2025 10.0.26100.33438
published: '2026-09-08'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T18:44:50.680'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-69554'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69554'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00302
epssPercentile: 0.23079
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-08T18:24:41.975447Z'
ingestedAt: '2026-09-08T19:08:49.615Z'
---

## Overview

Missing authentication for critical function in Microsoft Windows Search Component allows an authorized attacker to perform tampering locally.

## Affected

- `windows_10_1607 < 10.0.14393.9512`
- `windows_10_1809 < 10.0.17763.9245`
- `windows_10_21h2 < 10.0.19044.7725`
- `windows_10_22h2 < 10.0.19045.7725`
- `windows_11_23h2 < 10.0.22631.7582`
- `windows_11_24h2 < 10.0.26100.9445`
- `windows_11_25h2 < 10.0.26200.9445`
- `windows_11_26h1 < 10.0.28000.2954`
- `windows_server_2012`
- `windows_server_2012 = r2`
- `windows_server_2016 < 10.0.14393.9512`
- `windows_server_2019 < 10.0.17763.9245`
- `windows_server_2022 < 10.0.20348.5622`
- `windows_server_2025 < 10.0.26100.33438`

## Remediation

Upgrade past the affected range:

- `windows_10_1607 10.0.14393.9512`
- `windows_10_1809 10.0.17763.9245`
- `windows_10_21h2 10.0.19044.7725`
- `windows_10_22h2 10.0.19045.7725`
- `windows_11_23h2 10.0.22631.7582`
- `windows_11_24h2 10.0.26100.9445`
- `windows_11_25h2 10.0.26200.9445`
- `windows_11_26h1 10.0.28000.2954`
- `windows_server_2016 10.0.14393.9512`
- `windows_server_2019 10.0.17763.9245`
- `windows_server_2022 10.0.20348.5622`
- `windows_server_2025 10.0.26100.33438`