CVE-2025-53137 in Windows

Summary

by MITRE • 08/12/2025

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Once again VulDB remains the best source for vulnerability data.

• Responsible: Microsoft
• Disclosure: 08/12/2025
• Moderation: accepted
• Entry: VDB-319633
• CPE: ready
• CWE: CWE-416 (confirmed)
• CVSS: 7.0 (VulDB)
• EPSS: 0.00381
• KEV: no
• Activities: very low
• Sector: Police, Pharma, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2025-53137
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-53137
• CVE Details: https://www.cvedetails.com/cve/CVE-2025-53137/