CVE Catalog
CVE-2026-78446
MediumCVSS 5.3Exploitation Probability (EPSS)
Elevated risk0.83%
56th percentile - higher than 56% of all known CVEs
Summary
Use after free in Windows Distributed File System (DFS) allows an authenticated attacker to perform a denial of service attack over a network.
Risk Assessment
The attack can disrupt file services in the organization, leading to unavailability of resources for legitimate users.
Recommendation
Install the latest Windows security updates for the DFS component.
Other vulnerabilities in Windows Distributed File System
Original NVD description (English source)
Use after free in Windows Distributed File System (DFS) allows an authorized attacker to deny service over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS