CVE-2025-32709
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVE-2025-32709 is fixed in 37 products on 1 platform, first by KB5058383, released May 13, 2025. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on May 13, 2025. Patch Radar priority: Patch now.
Patch nowCISA KEV
CVSS
7.8
Important
Exploitation
Exploited
Reported by the vendor
CISA KEV
May 13, 2025
Federal due date Jun 3, 2025
EPSS
0.0182
78th percentile
<p>Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.8066 | KB5058383 | May 13, 2025 |
| Windows 10 Version 1607 for x64-based Systems | 14393.8066 | KB5058383 | May 13, 2025 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.7314 | KB5058392 | May 13, 2025 |
| Windows 10 Version 1809 for x64-based Systems | 17763.7314 | KB5058392 | May 13, 2025 |
| Windows 10 Version 21H2 for 32-bit Systems | KB5058379 | May 13, 2025 | |
| Windows 10 Version 21H2 for ARM64-based Systems | KB5058379 | May 13, 2025 | |
| Windows 10 Version 21H2 for x64-based Systems | KB5058379 | May 13, 2025 | |
| Windows 10 Version 22H2 for 32-bit Systems | KB5058379 | May 13, 2025 | |
| Windows 10 Version 22H2 for ARM64-based Systems | KB5058379 | May 13, 2025 | |
| Windows 10 Version 22H2 for x64-based Systems | KB5058379 | May 13, 2025 | |
| Windows 10 for 32-bit Systems | 10240.21014 | KB5058387 | May 13, 2025 |
| Windows 10 for x64-based Systems | 10240.21014 | KB5058387 | May 13, 2025 |
| Windows 11 Version 22H2 for ARM64-based Systems | KB5058405 | May 13, 2025 | |
| Windows 11 Version 22H2 for x64-based Systems | KB5058405 | May 13, 2025 | |
| Windows 11 Version 23H2 for ARM64-based Systems | KB5058405 | May 13, 2025 | |
| Windows 11 Version 23H2 for x64-based Systems | KB5058405 | May 13, 2025 | |
| Windows 11 Version 24H2 for ARM64-based Systems | 26100.4061 | KB5058411 | May 13, 2025 |
| Windows 11 Version 24H2 for ARM64-based Systems | 26100.3981 | KB5058497 | May 13, 2025 |
| Windows 11 Version 24H2 for x64-based Systems | 26100.4061 | KB5058411 | May 13, 2025 |
| Windows 11 Version 24H2 for x64-based Systems | 26100.3981 | KB5058497 | May 13, 2025 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5061196 | May 13, 2025 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5061195 | May 13, 2025 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5061196 | May 13, 2025 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5061195 | May 13, 2025 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5061198 | Jun 10, 2025 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5061197 | May 13, 2025 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB5061198 | Jun 10, 2025 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB5061197 | May 13, 2025 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB5061198 | Jun 10, 2025 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB5061197 | May 13, 2025 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB5061198 | Jun 10, 2025 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB5061197 | May 13, 2025 | |
| Windows Server 2012 | KB5058451 | May 13, 2025 | |
| Windows Server 2012 (Server Core installation) | KB5058451 | May 13, 2025 | |
| Windows Server 2012 R2 | KB5058403 | May 13, 2025 | |
| Windows Server 2012 R2 (Server Core installation) | KB5058403 | May 13, 2025 | |
| Windows Server 2016 | 14393.8066 | KB5058383 | May 13, 2025 |
| Windows Server 2016 (Server Core installation) | 14393.8066 | KB5058383 | May 13, 2025 |
| Windows Server 2019 | 17763.7314 | KB5058392 | May 13, 2025 |
| Windows Server 2019 (Server Core installation) | 17763.7314 | KB5058392 | May 13, 2025 |
| Windows Server 2022 | 20348.3630 | KB5058500 | May 13, 2025 |
| Windows Server 2022 | 20348.3692 | KB5058385 | May 13, 2025 |
| Windows Server 2022 (Server Core installation) | 20348.3692 | KB5058385 | May 13, 2025 |
| Windows Server 2022, 23H2 Edition (Server Core installation) | 25398.1611 | KB5058384 | May 13, 2025 |
| Windows Server 2025 | 26100.4061 | KB5058411 | May 13, 2025 |
| Windows Server 2025 | 26100.3981 | KB5058497 | May 13, 2025 |
| Windows Server 2025 (Server Core installation) | 26100.4061 | KB5058411 | May 13, 2025 |
| Windows Server 2025 (Server Core installation) | 26100.3981 | KB5058497 | May 13, 2025 |
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