CVE-2025-32709
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
- Published
- May 13, 2025
- Updated
- Feb 26, 2026
- Assigning CNA
- microsoft
- Evidence observed
- May 13, 2025
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 81.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Sources
1- How-to-Patch-CVE-2025-32709Informational
Real-world patching workflow for CVE-2025-32709. From hotfix install to SIEM alert validation—this repo documents every step with screenshots, commands, and detection logic.
Responsible use
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