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7.0
Windows WinSock Driver Privilege Escalation Vulnerability
CVE-2026-33100
Summary
An attacker with local access can exploit a weakness in the Windows WinSock Driver to gain elevated privileges. This means an unauthorized person with access to your system could potentially gain control over your computer. To mitigate this risk, ensure you have the latest updates and patches installed on your Windows system.
Original title
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Original description
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
nvd CVSS3.1
7.0
Vulnerability type
CWE-416
Use After Free
Published: 14 Apr 2026 · Updated: 14 Apr 2026 · First seen: 14 Apr 2026