CVE-2025-54915
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-09-09
Last updated on: 2025-10-02
Assigner: Microsoft Corporation
Description
Description
Access of resource using incompatible type ('type confusion') in Windows Defender Firewall Service allows an authorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| 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
KEV
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a type confusion issue in the Windows Defender Firewall Service, where an authorized attacker can exploit the access of a resource using an incompatible type to elevate their privileges locally on the system.
How can this vulnerability impact me? :
An attacker who already has some level of access to the system could exploit this vulnerability to gain higher privileges, potentially allowing them to perform actions that are normally restricted, such as modifying system settings or accessing sensitive data.
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