EUVD-2025-20586

| CVE-2025-48821 HIGH
2025-07-08 [email protected]
7.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20586
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
CVE Published
Jul 08, 2025 - 17:15 nvd
HIGH 7.1

Tags

Microsoft Use After Free Memory Corruption Denial Of Service Windows 10 1507 Windows 10 21h2 Windows Server 2022 23h2 Windows 11 23h2 Windows Server 2012 Windows 10 1607 Windows Server 2008 Windows 11 22h2 Windows Server 2019 Windows Server 2022 Windows 11 24h2 Windows 10 22h2 Windows 10 1809 Windows Server 2025 Windows Server 2016 Windows

Description

Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over an adjacent network.

Analysis

Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over an adjacent network.

Technical Context

A use-after-free vulnerability occurs when a program continues to use a pointer after the referenced memory has been freed, leading to undefined behavior. This vulnerability is classified as Use After Free (CWE-416).

Affected Products

Affected products: Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809

Remediation

Use memory-safe languages. Implement proper object lifecycle management. Use static and dynamic analysis tools to detect UAF patterns.

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +36
POC: 0

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EUVD-2025-20586 vulnerability details – vuln.today
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