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GHSA-PHRX-3XXQ-247H
Vulnerability from github – Published: 2025-07-08 18:31 – Updated: 2025-07-08 18:31
VLAI?
Details
Improper link resolution before file access ('link following') in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.
Severity ?
7.8 (High)
{
"affected": [],
"aliases": [
"CVE-2025-48820"
],
"database_specific": {
"cwe_ids": [
"CWE-59"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-07-08T17:15:46Z",
"severity": "HIGH"
},
"details": "Improper link resolution before file access (\u0027link following\u0027) in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-phrx-3xxq-247h",
"modified": "2025-07-08T18:31:46Z",
"published": "2025-07-08T18:31:46Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-48820"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48820"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
CVE-2025-48820 (GCVE-0-2025-48820)
Vulnerability from cvelistv5 – Published: 2025-07-08 16:57 – Updated: 2025-08-23 00:40
VLAI?
EPSS
Title
Windows AppX Deployment Service Elevation of Privilege Vulnerability
Summary
Improper link resolution before file access ('link following') in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.
Severity ?
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.7558
(custom)
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-48820",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-07-09T13:52:50.239664Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-07-09T13:52:57.001Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"32-bit Systems",
"x64-based Systems"
],
"product": "Windows 10 Version 1809",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.17763.7558",
"status": "affected",
"version": "10.0.17763.0",
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}
]
},
{
"platforms": [
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],
"product": "Windows Server 2019",
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},
{
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],
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"vendor": "Microsoft",
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"version": "10.0.17763.0",
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}
]
},
{
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],
"product": "Windows Server 2022",
"vendor": "Microsoft",
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"lessThan": "10.0.20348.3932",
"status": "affected",
"version": "10.0.20348.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 10 Version 21H2",
"vendor": "Microsoft",
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],
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"vendor": "Microsoft",
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}
]
},
{
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"32-bit Systems"
],
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"vendor": "Microsoft",
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{
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"status": "affected",
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}
]
},
{
"platforms": [
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],
"product": "Windows Server 2025 (Server Core installation)",
"vendor": "Microsoft",
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},
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{
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],
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]
},
{
"platforms": [
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],
"product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
"vendor": "Microsoft",
"versions": [
{
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"status": "affected",
"version": "10.0.25398.0",
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}
]
},
{
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 11 Version 24H2",
"vendor": "Microsoft",
"versions": [
{
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"status": "affected",
"version": "10.0.26100.0",
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}
]
},
{
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],
"product": "Windows Server 2025",
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},
{
"platforms": [
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"x64-based Systems"
],
"product": "Windows 10 Version 1507",
"vendor": "Microsoft",
"versions": [
{
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"status": "affected",
"version": "10.0.10240.0",
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}
]
},
{
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],
"product": "Windows 10 Version 1607",
"vendor": "Microsoft",
"versions": [
{
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}
]
},
{
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],
"product": "Windows Server 2016",
"vendor": "Microsoft",
"versions": [
{
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"status": "affected",
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}
]
},
{
"platforms": [
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],
"product": "Windows Server 2016 (Server Core installation)",
"vendor": "Microsoft",
"versions": [
{
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"status": "affected",
"version": "10.0.14393.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
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"versionStartIncluding": "10.0.17763.0",
"vulnerable": true
},
{
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"vulnerable": true
},
{
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"title": "Windows AppX Deployment Service Elevation of Privilege Vulnerability"
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"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Sightings
| Author | Source | Type | Date |
|---|
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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