CVE-2025-54109 - OpenCVE

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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54109

History

Thu, 11 Sep 2025 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 09 Sep 2025 17:15:00 +0000

Type	Values Removed	Values Added
Description		Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
Title		Windows Defender Firewall Service Elevation of Privilege Vulnerability
Weaknesses		CWE-843
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54109
Metrics		cvssV3_1 `{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2025-09-09T17:01:23.641Z

Updated: 2025-09-18T21:42:37.443Z

Reserved: 2025-07-16T19:49:12.440Z

Link: CVE-2025-54109

Vulnrichment

Updated: 2025-09-11T14:34:23.270Z

NVD

Status : Awaiting Analysis

Published: 2025-09-09T17:15:56.307

Modified: 2025-09-11T17:14:25.240

Link: CVE-2025-54109

Redhat

No data.

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