CVE-2025-27488 (GCVE-0-2025-27488)
Vulnerability from cvelistv5 – Published: 2025-05-13 16:58 – Updated: 2026-02-13 19:21
VLAI
EPSS
VEX
Title
Microsoft Windows Hardware Lab Kit (HLK) Elevation of Privilege Vulnerability
Summary
Use of hard-coded credentials in Windows Hardware Lab Kit allows an authorized attacker to elevate privileges locally.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-13 18:13 UTC
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
11 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Microsoft | Windows 10 HLK version 20H2 |
Affected:
1.0.0 , < 10.1.19041.5609
(custom)
|
guessed | |
| Microsoft | Windows 10 HLK version 21H1 |
Affected:
1.0.0 , < 10.1.19041.5609
(custom)
|
guessed | |
| Microsoft | Windows 10 HLK version 21H2 |
Affected:
1.0.0 , < 10.1.19041.5609
(custom)
|
guessed | |
| Microsoft | Windows 10 HLK Version 22H2 |
Affected:
1.0.0 , < 10.1.19041.5609
(custom)
|
guessed | |
| Microsoft | Windows 11 HLK 22H2 |
Affected:
1.0.0 , < 10.1.22621.5040
(custom)
|
guessed | |
| Microsoft | Windows 11 HLK 24H2 |
Affected:
1.0.0 , < 10.1.26100.3478
(custom)
|
guessed | |
| Microsoft | Windows HLK for Windows 10 version 2004 |
Affected:
1.0.0 , < 10.1.19041.5609
(custom)
|
guessed | |
| Microsoft | Windows HLK for Windows Server 2019 |
Affected:
1.0.0 , < 10.1.17763.7010
(custom)
|
guessed | |
| Microsoft | Windows HLK for Windows Server 2022 |
Affected:
1.0.0 , < 10.1.20348.3330
(custom)
|
guessed | |
| Microsoft | Windows HLK for Windows Server 2025 |
Affected:
1.0.0 , < 10.1.26100.3478
(custom)
|
guessed | |
| Microsoft | Windows HLK, version 1809 |
Affected:
1.0.0 , < 10.1.17763.7010
(custom)
|
guessed |
Date Public
2025-05-13 07:00
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\"versionType\": \"custom\"}], \"platforms\": [\"Unknown\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows HLK for Windows 10 version 2004\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0.0\", \"lessThan\": \"10.1.19041.5609\", \"versionType\": \"custom\"}], \"platforms\": [\"Unknown\"]}, {\"vendor\": \"Microsoft\", \"product\": \"Windows HLK for Windows Server 2019\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.0.0\", \"lessThan\": \"10.1.17763.7010\", \"versionType\": \"custom\"}], \"platforms\": [\"Unknown\"]}], \"datePublic\": \"2025-05-13T07:00:00.000Z\", \"references\": [{\"url\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27488\", \"name\": \"Microsoft Windows Hardware Lab Kit (HLK) Elevation of Privilege Vulnerability\", \"tags\": [\"vendor-advisory\"]}], \"descriptions\": [{\"lang\": \"en-US\", \"value\": \"Use of hard-coded credentials in Windows Hardware Lab Kit allows an authorized attacker to elevate privileges locally.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en-US\", \"type\": \"CWE\", \"cweId\": \"CWE-798\", \"description\": \"CWE-798: Use of Hard-coded Credentials\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:microsoft:windows_server_hlk_2025:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.1.26100.3478\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_11_hlk_24H2:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.1.26100.3478\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_10_hlk_1809:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.1.17763.7010\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_10_hlk_21H1:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.1.19041.5609\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_11_hlk_22H2:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.1.22621.5040\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_server_hlk_2022:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.1.20348.3330\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_10_hlk_20H2:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.1.19041.5609\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_10_hlk_22H2:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.1.19041.5609\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_10_hlk_21H2:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.1.19041.5609\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_10_hlk_2004:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.1.19041.5609\", \"versionStartIncluding\": \"1.0.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_server_hlk_2019:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.1.17763.7010\", \"versionStartIncluding\": \"1.0.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\", \"dateUpdated\": \"2025-09-10T00:09:29.768Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-27488\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-09-10T00:09:29.768Z\", \"dateReserved\": \"2025-02-26T14:42:05.978Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2025-05-13T16:58:55.126Z\", \"assignerShortName\": \"microsoft\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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