Elevation of Privilege Vulnerability in Windows Universal Plug and Play Device Host
CVE-2025-48821

7.1HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Windows Server 2022
Vendor
CVE Published:
8 July 2025

What is CVE-2025-48821?

The Windows Universal Plug and Play (UPnP) Device Host contains a vulnerability that allows an attacker with authorized access on an adjacent network to elevate their privileges. Exploitation of this vulnerability could enable unauthorized actions that could compromise system integrity and user security.

Affected Version(s)

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.21073

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.8246

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.7558

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-48821 : Elevation of Privilege Vulnerability in Windows Universal Plug and Play Device Host