Input validation error in VeraCrypt - #VU139345

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Main Vulnerability Database Vulnerabilities #VU139345

Input validation error in VeraCrypt - #VU139345

Published: July 24, 2026


Vulnerability identifier: #VU139345
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: veracrypt
Affected software:
VeraCrypt

Detailed vulnerability description

The vulnerability allows a local user to disclose low-sensitivity disk-topology and object-manager path information.

The vulnerability exists due to insufficient input validation and path scoping in selected metadata IOCTL handlers in veracrypt.sys when processing caller-supplied object-manager or device paths through \\.\VeraCrypt. A local user can send crafted IOCTL requests with broader-than-required paths to disclose low-sensitivity disk-topology and object-manager path information.

The issue is limited to metadata returned by selected IOCTL handlers, including symbolic-link targets, partition size and offset information, disk geometry metadata, GPT/MBR status, and limited object-manager path information.


Remediation

Install security update from vendor's website.

Sources