Type Confusion Vulnerability in Windows Defender Firewall Service by Microsoft
CVE-2025-54094
6.7MEDIUM
Key Information:
- Vendor
Microsoft
- Status
- Vendor
- CVE Published:
- 9 September 2025
What is CVE-2025-54094?
A type confusion vulnerability in the Windows Defender Firewall Service allows authorized attackers to exploit the service and potentially elevate their privileges locally. This weakness can lead to unauthorized access to system resources, which may compromise the integrity and security of affected systems.

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Affected Version(s)
Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.21128
Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.8422
Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.7792
References
CVSS V3.1
Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved