CVE-2025-54109

MEDIUM EPSS 35.9%
Published Sep 9, 20259mo ago · Modified Jun 17, 20262w ago
6.7 CVSS 3.1
Medium
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Published Sep 9, 2025 9mo ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
6.7
Exploitability
0.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
35.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-843

Affected Products 21

VendorProductVersionRange
microsoftwindows_10_1507* <10.0.10240.21128
microsoftwindows_10_1507* <10.0.10240.21128
microsoftwindows_10_1607* <10.0.14393.8422
microsoftwindows_10_1607* <10.0.14393.8422
microsoftwindows_10_1809* <10.0.17763.7792
microsoftwindows_10_1809* <10.0.17763.7792
microsoftwindows_10_21h2* <10.0.19044.6332
microsoftwindows_10_22h2* <10.0.19045.6332
microsoftwindows_11_22h2* <10.0.22621.5909
microsoftwindows_11_23h2* <10.0.22631.5909
microsoftwindows_11_24h2* <10.0.26100.6508
microsoftwindows_server_2008*any
microsoftwindows_server_2008*any
microsoftwindows_server_2008r2any
microsoftwindows_server_2012*any
microsoftwindows_server_2012r2any
microsoftwindows_server_2016* <10.0.14393.8422
microsoftwindows_server_2019* <10.0.17763.7792
microsoftwindows_server_2022* <10.0.20348.4106
microsoftwindows_server_2022_23h2* <10.0.25398.1849
microsoftwindows_server_2025* <10.0.26100.6508

References 1

  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54109
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.