CVE-2025-27488
Microsoft Windows Hardware Lab Kit (HLK) Elevation of Privilege Vulnerability
Use of hard-coded credentials in Windows Hardware Lab Kit allows an authorized attacker to elevate privileges locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Windows Hardware Lab Kit (HLK) Elevation of Privilege Vulnerability
Use of hard-coded credentials in Windows Hardware Lab Kit allows an authorized attacker to elevate privileges locally.
- Record
CVE-2025-27488- CVSS 3.1
- 6.7 Medium
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 - Weakness
- CWE-798
- Updated
- 2026-11-02
EUVDEUVD-2025-14437
Use of hard-coded credentials in Windows Hardware Lab Kit allows an authorized attacker to elevate privileges locally.
- Record
EUVD-2025-14437- CVSS 3.1
- 6.7 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-jmqx-9m4w-qghh
Use of hard-coded credentials in Windows Hardware Lab Kit allows an authorized attacker to...
Use of hard-coded credentials in Windows Hardware Lab Kit allows an authorized attacker to elevate privileges locally.
- Record
GHSA-jmqx-9m4w-qghh- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-798
- Updated
- 2026-11-02
NVD
Use of hard-coded credentials in Windows Hardware Lab Kit allows an authorized attacker to elevate privileges locally.
- Record
CVE-2025-27488- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-798
- Updated
- 2026-11-02
Affected products
- microsoft windows hardware lab kit
- 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
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-27488 is a medium vulnerability (CVSS 6.7) in Microsoft Windows Hardware Lab Kit, published May 13, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.