CVE-2025-54109

MediumCVSS 6.7/10Last modified Jun 17, 2026

Description

Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-843

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1507>= 10.0.10240.0, < 10.0.10240.21128
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.8422
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.7792
MicrosoftWindows 10 Version 21H2>= 10.0.19044.0, < 10.0.19044.6332
MicrosoftWindows 10 Version 22H2>= 10.0.19045.0, < 10.0.19045.6332
MicrosoftWindows 11 version 22H2>= 10.0.22621.0, < 10.0.22621.5909
MicrosoftWindows 11 version 22H3>= 10.0.22631.0, < 10.0.22631.5909
MicrosoftWindows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.5909
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.6584
MicrosoftWindows Server 2008 R2 Service Pack 1>= 6.1.7601.0, < 6.1.7601.27929
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)>= 6.1.7601.0, < 6.1.7601.27929
MicrosoftWindows Server 2008 Service Pack 2>= 6.0.6003.0, < 6.0.6003.23529
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)>= 6.0.6003.0, < 6.0.6003.23529
MicrosoftWindows Server 2012>= 6.2.9200.0, < 6.2.9200.25675
MicrosoftWindows Server 2012 (Server Core installation)>= 6.2.9200.0, < 6.2.9200.25675
MicrosoftWindows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.22774
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.9600.0, < 6.3.9600.22774
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.8422
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.8422
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.7792
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.7792
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.4171
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)>= 10.0.25398.0, < 10.0.25398.1849
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.6584
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.6584

References

Timeline

Published
Sep 9, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2025-54109: Medium severity, CVSS 6.7 | Vulnix