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CVE-2025-27488

Microsoft Windows Hardware Lab Kit (HLK) Elevation of Privilege Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.1.19041.5609, 10.1.22621.5040, 10.1.26100.3478, 10.1.17763.7010, 10.1.20348.3330
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

Use of hard-coded credentials in Windows Hardware Lab Kit allows an authorized attacker to elevate privileges locally.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Microsoft Windows 10 HLK version 20H2

    From 1.0.0 · fixed in 10.1.19041.5609

  • Microsoft Windows 10 HLK version 21H1

    From 1.0.0 · fixed in 10.1.19041.5609

  • Microsoft Windows 10 HLK version 21H2

    From 1.0.0 · fixed in 10.1.19041.5609

  • Microsoft Windows 10 HLK Version 22H2

    From 1.0.0 · fixed in 10.1.19041.5609

  • Microsoft Windows 11 HLK 22H2

    From 1.0.0 · fixed in 10.1.22621.5040

  • Microsoft Windows 11 HLK 24H2

    From 1.0.0 · fixed in 10.1.26100.3478

  • Microsoft Windows HLK for Windows 10 version 2004

    From 1.0.0 · fixed in 10.1.19041.5609

  • Microsoft Windows HLK for Windows Server 2019

    From 1.0.0 · fixed in 10.1.17763.7010

  • Microsoft Windows HLK for Windows Server 2022

    From 1.0.0 · fixed in 10.1.20348.3330

  • Microsoft Windows HLK for Windows Server 2025

    From 1.0.0 · fixed in 10.1.26100.3478

  • Microsoft Windows HLK, version 1809

    From 1.0.0 · fixed in 10.1.17763.7010

References 1

msrc.microsoft.com