vulnerability
Microsoft Windows: CVE-2025-54915: Windows Defender Firewall Service Elevation of Privilege Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:M/C:C/I:C/A:C) | Sep 9, 2025 | Sep 9, 2025 | May 8, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
Sep 9, 2025
Added
Sep 9, 2025
Modified
May 8, 2026
Description
Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
Solutions
microsoft-windows-windows_10-1507-kb5065430microsoft-windows-windows_10-1607-kb5065427microsoft-windows-windows_10-1809-kb5065428microsoft-windows-windows_10-21h2-kb5065429microsoft-windows-windows_10-22h2-kb5065429microsoft-windows-windows_11-22h2-kb5065431microsoft-windows-windows_11-23h2-kb5065431microsoft-windows-windows_11-24h2-kb5065426microsoft-windows-windows_server_2012-kb5065509microsoft-windows-windows_server_2012_r2-kb5065507microsoft-windows-windows_server_2016-1607-kb5065427microsoft-windows-windows_server_2019-1809-kb5065428microsoft-windows-windows_server_2022-21h2-kb5065432microsoft-windows-windows_server_2022-22h2-kb5065432microsoft-windows-windows_server_2022-23h2-kb5065425microsoft-windows-windows_server_2025-24h2-kb5065426
References
Rapid7 Labs
2026 Global Threat Landscape Report
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