CVE-2025-27488 json
Microsoft Windows Hardware Lab Kit (HLK) Elevation of Privilege Vulnerability
published 2025-05-13 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-14437
- cvss
- 6.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 0
- none known
Summary
Use of hard-coded credentials in Windows Hardware Lab Kit allows an authorized attacker to elevate privileges locally.
Patch / fix
- Microsoft Windows 10 HLK version 20H2 10.1.19041.5609
- Microsoft Windows 10 HLK version 21H1 10.1.19041.5609
- Microsoft Windows 10 HLK version 21H2 10.1.19041.5609
- Microsoft Windows 10 HLK Version 22H2 10.1.19041.5609
- Microsoft Windows 11 HLK 22H2 10.1.22621.5040
- Microsoft Windows 11 HLK 24H2 10.1.26100.3478
- Microsoft Windows HLK for Windows 10 version 2004 10.1.19041.5609
- Microsoft Windows HLK for Windows Server 2019 10.1.17763.7010
- Microsoft Windows HLK for Windows Server 2022 10.1.20348.3330
- Microsoft Windows HLK for Windows Server 2025 10.1.26100.3478
- Microsoft Windows HLK, version 1809 10.1.17763.7010
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 17 mo ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Windows 10 HLK version 20H2
- Microsoft Windows 10 HLK version 21H1
- Microsoft Windows 10 HLK version 21H2
- Microsoft Windows 10 HLK Version 22H2
- Microsoft Windows 11 HLK 22H2
- Microsoft Windows 11 HLK 24H2
- Microsoft Windows HLK for Windows 10 version 2004
- Microsoft Windows HLK for Windows Server 2019
- Microsoft Windows HLK for Windows Server 2022
- Microsoft Windows HLK for Windows Server 2025
- Microsoft Windows HLK, version 1809
Classification
- Weakness
-
- CWE-798 Use of Hard-coded Credentials
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2025-27488
vendor-advisory, patch
Sources
- CVE List CVE-2025-27488
- NVD CVE-2025-27488
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