CVE-2025-54094
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 that allows an authorized attacker to elevate their privileges locally by accessing a resource using an incompatible type.

Impact Analysis

An attacker who exploits this vulnerability can elevate their privileges on the affected system, potentially gaining higher-level access and control, which can lead to unauthorized actions and compromise of system integrity.

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