CVE-2026-27925

| EUVD-2026-22475 MEDIUM
2026-04-14 microsoft
Denial Of Service Use After Free Memory Corruption Microsoft Windows 10 Version 1607 Windows 10 Version 1809 Windows 10 Version 21H2 Windows 10 Version 22H2 Windows 11 Version 22H3 Windows 11 Version 23H2 Windows 11 Version 24H2 Windows 11 Version 25H2 Windows 11 Version 26H1 Windows Server 2012 Windows Server 2012 Server Core Installation Windows Server 2012 R2 Windows Server 2012 R2 Server Core Installation Windows Server 2016 Windows Server 2016 Server Core Installation Windows Server 2019 Windows Server 2019 Server Core Installation Windows Server 2022 Windows Server 2022 23H2 Edition Server Core Installation Windows Server 2025 Windows Server 2025 Server Core Installation
6.5
CVSS 3.1
Temporal: 5.7
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CVSS VectorNVD

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

Lifecycle Timeline

1
Analysis Generated
Apr 14, 2026 - 19:42 vuln.today

DescriptionNVD

Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to disclose information over an adjacent network.

AnalysisAI

Use-after-free memory corruption in Windows UPnP Device Host enables unauthenticated adjacent network attackers to disclose sensitive information with CVSS 6.5 high severity. The vulnerability affects Windows 10 (versions 1607, 1809, 21H2, 22H2), Windows 11 (versions 22H3, 23H2, 24H2, 25H2, 26H1), and multiple Windows Server editions (2012 through 2025). …

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CVE-2026-27925 vulnerability details – vuln.today
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