CVE Catalog

CVE-2026-45596

HighCVSS 7.0
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.05%

16th percentile - higher than 16% of all known CVEs

Summary

There is a 'use after free' vulnerability in the Windows Ancillary Function Driver for WinSock that allows an authorized attacker to locally elevate privileges.

Risk Assessment

An attacker with appropriate permissions can gain elevated privileges on the system, posing a serious security threat to the organization.

Recommendation

It is recommended to update the operating system to the latest version to patch this vulnerability.

Original NVD description (English source)

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

Vulnerability data from NVD (NIST) · CISA KEV · EPSS