CVE-2026-24293
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk30th percentile - higher than 30% of all known CVEs
Summary
A null pointer dereference in the Windows Ancillary Function Driver for WinSock allows an authorized attacker to locally elevate privileges.
Risk Assessment
An attacker with appropriate permissions may gain elevated privileges on the system, posing a serious security risk to the organization.
Recommendation
It is recommended to update the operating system to the latest version to mitigate this vulnerability.
Other vulnerabilities in Windows Ancillary Function Driver for WinSock
See all- CVE-2026-34344High
The Windows Ancillary Function Driver for WinSock has a vulnerability related to resource access using an incompatible type ('type confusion'), allowing an authorized attacker to elevate privileges locally.
- CVE-2026-20810High
A vulnerability in the Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. The issue involves freeing memory not on the heap.
- CVE-2026-68820HighActively exploited
Use-after-free in Windows Ancillary Function Driver for WinSock. An authorized attacker can elevate privileges locally.
- CVE-2026-20860High
A type confusion vulnerability in the Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- CVE-2026-70307High
A use-after-free vulnerability in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- CVE-2026-61348High
A use-after-free vulnerability in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- CVE-2026-57093High
A use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- CVE-2026-50462High
The Windows Ancillary Function Driver for WinSock has an external control of file name or path vulnerability, allowing an authorized attacker to elevate privileges locally.
- CVE-2026-50312Medium
Use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock. Allows an authorized attacker to elevate privileges locally.
- CVE-2026-34346Medium
Cleartext transmission of sensitive information in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally.
Original NVD description (English source)
Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

