Vulnerability · Published May 13, 2025 · Assigned by microsoft
CVE-2025-27488Microsoft Windows Hardware Lab Kit (HLK) Elevation of Privilege Vulnerability
Medium 6.7
In plain English
A medium-severity hard-coded credentials in Windows 10 HLK version 20H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.4%top 65.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Use of hard-coded credentials in Windows Hardware Lab Kit allows an authorized attacker to elevate privileges locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 HLK version 20H2 | 1.0.0 – before 10.1.19041.5609 |
| Microsoft | Windows 10 HLK version 21H1 | 1.0.0 – before 10.1.19041.5609 |
| Microsoft | Windows 10 HLK version 21H2 | 1.0.0 – before 10.1.19041.5609 |
| Microsoft | Windows 10 HLK Version 22H2 | 1.0.0 – before 10.1.19041.5609 |
| Microsoft | Windows 11 HLK 22H2 | 1.0.0 – before 10.1.22621.5040 |
| Microsoft | Windows 11 HLK 24H2 | 1.0.0 – before 10.1.26100.3478 |
| Microsoft | Windows HLK for Windows 10 version 2004 | 1.0.0 – before 10.1.19041.5609 |
| Microsoft | Windows HLK for Windows Server 2019 | 1.0.0 – before 10.1.17763.7010 |
| Microsoft | Windows HLK for Windows Server 2022 | 1.0.0 – before 10.1.20348.3330 |
| Microsoft | Windows HLK for Windows Server 2025 | 1.0.0 – before 10.1.26100.3478 |
| Microsoft | Windows HLK, version 1809 | 1.0.0 – before 10.1.17763.7010 |
Weakness: CWE-798 · Vector: 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
References
- Microsoft Windows Hardware Lab Kit (HLK) Elevation of Privilege Vulnerability vendor-advisory, patch