CVE-2025-54099
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-09-09
Last updated on: 2025-10-02
Assigner: Microsoft Corporation
Description
Description
Stack-based buffer overflow in Windows Ancillary Function Driver for WinSock 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-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
