PT-2026-47870 · Microsoft · Windows Universal Disk Format File System Driver+1

CVE-2026-40404

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Published

2026-06-09

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Updated

2026-06-10

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Windows Universal Disk Format File System Driver (UDFS) (affected versions not specified)
Description An elevation of privilege issue exists in the Windows Universal Disk Format File System Driver (UDFS) related to a legacy file-system problem where a drive remains mounted.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

LPE

Heap Based Buffer Overflow

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Weakness Enumeration

CWE-197CWE-122

Related Identifiers

BDU:2026-08321
CVE-2026-40404

Affected Products

Windows
Windows Universal Disk Format File System Driver