CVE-2025-21418
HIGH CISA KEVDescription
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVSS v3.1 Score
CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild.
Weakness Type (CWE)
Affected Products
| Vendor | Product |
|---|---|
| microsoft | windows_10_1607 |
| microsoft | windows_10_1607 |
| microsoft | windows_10_1809 |
| microsoft | windows_10_1809 |
| microsoft | windows_10_21h2 |
| microsoft | windows_10_22h2 |
| microsoft | windows_11_22h2 |
| microsoft | windows_11_23h2 |
| microsoft | windows_11_24h2 |
| microsoft | windows_server_2008 |
| microsoft | windows_server_2008 |
| microsoft | windows_server_2012 |
| microsoft | windows_server_2012 |
| microsoft | windows_server_2016 |
| microsoft | windows_server_2019 |
| microsoft | windows_server_2022 |
| microsoft | windows_server_2022_23h2 |
| microsoft | windows_server_2025 |
References
Advisories & Patches
Frequently Asked Questions
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