CVE-2026-40409
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk22th percentile - higher than 22% of all known CVEs
Summary
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability.
Risk Assessment
An attacker could exploit this vulnerability to gain elevated privileges on the system, potentially leading to full system compromise.
Recommendation
Install the latest Windows security updates available via Windows Update.
Other vulnerabilities in Windows UDFS Driver
See all- CVE-2026-50498High
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability.
- CVE-2026-49790High
A vulnerability in the Windows Universal Disk Format (UDFS) file system driver allows elevation of privilege. The flaw can be exploited locally by an authenticated attacker to gain higher privileges on the system.
- CVE-2026-40404High
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability.
Original NVD description (English source)
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability