Out-of-Bounds Read in VHD Miniport Driver

Publication date: 2026-09-08

Last updated on: 2026-09-08

Assigner: Microsoft Corporation

Description

Out-of-bounds read in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-08

Last Modified

2026-09-08

Generated

2026-09-09

AI Q&A

2026-09-09

EPSS Evaluated

N/A

NVD

CVE-2026-69549

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	virtual_hard_disk_miniport_driver	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This is an out-of-bounds read vulnerability in the Virtual Hard Disk (VHD) Miniport Driver. An authorized attacker with local access could exploit this to elevate their privileges on the system.

Impact Analysis

If exploited, this vulnerability could allow an attacker to gain higher privileges on your system, potentially leading to unauthorized access or control of your device.

Mitigation Strategies

Apply the latest security updates from Microsoft for the Virtual Hard Disk (VHD) Miniport Driver to address the out-of-bounds read vulnerability.

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