CVE-2025-54104
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-09

Last updated on: 2025-10-02

Assigner: Microsoft Corporation

Description
Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2025-09-09
Last Modified
2025-10-02
Generated
2026-06-16
AI Q&A
2025-09-09
EPSS Evaluated
2026-06-15
NVD
EUVD
Affected Vendors & Products
Showing 21 associated CPEs
Vendor Product Version / Range
microsoft windows_10_1507 to 10.0.10240.21128 (exc)
microsoft windows_10_1507 to 10.0.10240.21128 (exc)
microsoft windows_10_1607 to 10.0.14393.8422 (exc)
microsoft windows_10_1607 to 10.0.14393.8422 (exc)
microsoft windows_10_1809 to 10.0.17763.7792 (exc)
microsoft windows_10_1809 to 10.0.17763.7792 (exc)
microsoft windows_10_21h2 to 10.0.19044.6332 (exc)
microsoft windows_10_22h2 to 10.0.19045.6332 (exc)
microsoft windows_11_22h2 to 10.0.22621.5909 (exc)
microsoft windows_11_23h2 to 10.0.22631.5909 (exc)
microsoft windows_11_24h2 to 10.0.26100.6508 (exc)
microsoft windows_server_2008 *
microsoft windows_server_2008 *
microsoft windows_server_2008 r2
microsoft windows_server_2012 *
microsoft windows_server_2012 r2
microsoft windows_server_2016 to 10.0.14393.8422 (exc)
microsoft windows_server_2019 to 10.0.17763.7792 (exc)
microsoft windows_server_2022 to 10.0.20348.4106 (exc)
microsoft windows_server_2022_23h2 to 10.0.25398.1849 (exc)
microsoft windows_server_2025 to 10.0.26100.6508 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-843 The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
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Executive Summary

This vulnerability is a type confusion issue in the Windows Defender Firewall Service. It allows an authorized attacker to use a resource with an incompatible type, which can lead to privilege escalation on the local system.

Impact Analysis

An attacker who already has some level of authorization on the system could exploit this vulnerability to elevate their privileges, potentially gaining higher-level access and control over the affected system.

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