CVE-2025-27488

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

Description

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

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.06%
Vendor Advisory microsoft.com
Affected: Microsoft Windows HLK for Windows Server 2025
Affected: Microsoft Windows 11 HLK 24H2
Affected: Microsoft Windows 10 HLK Version 1809
Affected: Microsoft Windows 10 HLK version 21H1
Affected: Microsoft Windows 11 HLK 22H2
Affected: Microsoft Windows HLK for Windows Server 2022
Affected: Microsoft Windows 10 HLK version 20H2
Affected: Microsoft Windows 10 HLK Version 22H2
Affected: Microsoft Windows 10 HLK version 21H2
Affected: Microsoft Windows HLK for Windows 10 version 2004
Affected: Microsoft Windows HLK for Windows Server 2019
Published at:
Updated at:

References

Link Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27488 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-27488?
CVE-2025-27488 has been scored as a medium severity vulnerability.
How to fix CVE-2025-27488?
To fix CVE-2025-27488, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-27488 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-27488 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-27488?
CVE-2025-27488 affects Microsoft Windows HLK for Windows Server 2025, Microsoft Windows 11 HLK 24H2, Microsoft Windows 10 HLK Version 1809, Microsoft Windows 10 HLK version 21H1, Microsoft Windows 11 HLK 22H2, Microsoft Windows HLK for Windows Server 2022, Microsoft Windows 10 HLK version 20H2, Microsoft Windows 10 HLK Version 22H2, Microsoft Windows 10 HLK version 21H2, Microsoft Windows HLK for Windows 10 version 2004, Microsoft Windows HLK for Windows Server 2019.
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