CVE-2026-40409

HighCVSS 7.8

Published: 09/06/2026(UTC)Updated: 11/06/2026(UTC)Translated: 15/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.15%

35th percentile - higher than 35% of all known CVEs

Summary

A vulnerability in the UDFS file system driver in Windows allows for privilege escalation. An attacker can exploit this flaw to gain elevated privileges on the system.

Risk Assessment

The risk to the organization involves the potential for unauthorized access to system resources, which could lead to serious security breaches.

Recommendation

It is recommended to update Windows to the latest version to patch this vulnerability and to monitor systems for unauthorized activities.

Original NVD description (English source)

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability