Out-of-Bounds Read in Windows Network File System

Publication date: 2026-09-08

Last updated on: 2026-09-24

Assigner: Microsoft Corporation

Description

Out-of-bounds read in Windows Network File System allows an authorized attacker to deny service over a network.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-24

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-69372

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_network_file_system	*

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.

Attack-Flow Graph

Executive Summary

This is an out-of-bounds read vulnerability in Windows Network File System. An authorized attacker can exploit it to cause a denial of service over a network by reading memory outside the intended buffer.

Impact Analysis

The impact includes potential network service disruption. An attacker could crash systems or degrade performance by triggering the out-of-bounds read in the file system component.

Mitigation Strategies

Apply the latest security updates from Microsoft for Windows Network File System to patch the out-of-bounds read vulnerability.

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