CVE-2025-53718
published 2025-08-12CVE-2025-53718: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
PriorityP336high7CVSS 3.1
AVLACHPRLUINSUCHIHAH
EPSS
0.36%
28.1th percentile
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Affected
47 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1507 | < 10.0.10240.21100 | 10.0.10240.21100 |
| microsoft | windows_10_1607 | < 10.0.14393.8330 | 10.0.14393.8330 |
| microsoft | windows_10_1809 | < 10.0.17763.7678 | 10.0.17763.7678 |
| microsoft | windows_10_21h2 | < 10.0.19044.6216 | 10.0.19044.6216 |
| microsoft | windows_10_22h2 | < 10.0.19045.6216 | 10.0.19045.6216 |
| microsoft | windows_10_version_1507 | >= 10.0.10240.0 < 10.0.10240.21100 | 10.0.10240.21100 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.8330 | 10.0.14393.8330 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.7678 | 10.0.17763.7678 |
| microsoft | windows_10_version_21h2 | >= 10.0.19044.0 < 10.0.19044.6216 | 10.0.19044.6216 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.6216 | 10.0.19045.6216 |
| microsoft | windows_11_22h2 | < 10.0.22621.5768 | 10.0.22621.5768 |
| microsoft | windows_11_23h2 | < 10.0.22631.5768 | 10.0.22631.5768 |
| microsoft | windows_11_24h2 | < 10.0.26100.4851 | 10.0.26100.4851 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.5768 | 10.0.22621.5768 |
| microsoft | windows_11_version_22h3 | >= 10.0.22631.0 < 10.0.22631.5768 | 10.0.22631.5768 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.5768 | 10.0.22631.5768 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.4946 | 10.0.26100.4946 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.27872 | 6.1.7601.27872 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.23471 | 6.0.6003.23471 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.25622 | 6.2.9200.25622 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.22725 | 6.3.9600.22725 |
| microsoft | windows_server_2016 | < 10.0.14393.8330 | 10.0.14393.8330 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.8330 | 10.0.14393.8330 |
CVSS provenance
nvdv3.17.0HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc7.0HIGH
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Microsoft
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
vendor_msrc·2025-08-12·CVSS 7.0
CVE-2025-53718 [HIGH] CWE-416 Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Description: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
FAQ: According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.
FAQ: What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
Windows Ancillary Function Driver for WinSock: Windows Ancillary Function Driver for WinSock
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Elevation of Privilege
GHSA
GHSA-g3hr-ppqg-cx6m: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally
ghsa_unreviewed·2025-08-12
CVE-2025-53718 [HIGH] CWE-416 GHSA-g3hr-ppqg-cx6m: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
No detection rules found.
No public exploits indexed.
2025-08-12
Published