CVE-2025-53147
High
Description
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
SeverityHigh
CVSS7.0
Exploit probability—
Product
Microsoft Windows
PublishedAug 12, 2025
First seenAug 12, 2025
Weakness typeCWE-416Use after free
How to fix
Update
- microsoft windows_10_150710.0.10240.21100 or later
- microsoft windows_10_160710.0.14393.8330 or later
- microsoft windows_10_180910.0.17763.7678 or later
- microsoft windows_10_21h210.0.19044.6216 or later
- microsoft windows_10_22h210.0.19045.6216 or later
- microsoft windows_11_22h210.0.22621.5768 or later
- microsoft windows_11_23h210.0.22631.5768 or later
- microsoft windows_11_24h210.0.26100.4851 or later
- microsoft windows_server_201610.0.14393.8330 or later
- microsoft windows_server_201910.0.17763.7678 or later
- microsoft windows_server_202210.0.20348.3989 or later
- microsoft windows_server_2022_23h210.0.25398.1791 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_10_1507 | v < 10.0.10240.21100 | 10.0.10240.21100 |
| microsoft windows_10_1607 | v < 10.0.14393.8330 | 10.0.14393.8330 |
| microsoft windows_10_1809 | v < 10.0.17763.7678 | 10.0.17763.7678 |
| microsoft windows_10_21h2 | v < 10.0.19044.6216 | 10.0.19044.6216 |
| microsoft windows_10_22h2 | v < 10.0.19045.6216 | 10.0.19045.6216 |
| microsoft windows_11_22h2 | v < 10.0.22621.5768 | 10.0.22621.5768 |
| microsoft windows_11_23h2 | v < 10.0.22631.5768 | 10.0.22631.5768 |
| microsoft windows_11_24h2 | v < 10.0.26100.4851 | 10.0.26100.4851 |
| microsoft windows_server_2008 | No range specified, r2 | — |
| microsoft windows_server_2012 | No range specified, r2 | — |
| microsoft windows_server_2016 | v < 10.0.14393.8330 | 10.0.14393.8330 |
| microsoft windows_server_2019 | v < 10.0.17763.7678 | 10.0.17763.7678 |
| microsoft windows_server_2022 | v < 10.0.20348.3989 | 10.0.20348.3989 |
| microsoft windows_server_2022_23h2 | v < 10.0.25398.1791 | 10.0.25398.1791 |
| microsoft windows_server_2025 | v < 10.0.26100.4851 | 10.0.26100.4851 |
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