CVE-2026-88115

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in Windows Server for NFS

Publication date: 2026-10-13

Last updated on: 2026-10-28

Assigner: Microsoft Corporation

Description

Out-of-bounds read in Windows Server for NFS allows an unauthorized attacker to execute code over a network.

CVSS Scores

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Meta Information

Published

2026-10-13

Last Modified

2026-10-28

Generated

2026-11-08

AI Q&A

2026-10-14

EPSS Evaluated

2026-11-07

NVD

CVE-2026-88115

EUVD

EUVD-2026-100092

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_server_2012	r2
microsoft	windows_server_2012	*
microsoft	windows_10_1607	to 10.0.14393.9612 (exc)
microsoft	windows_10_1607	to 10.0.14393.9612 (exc)
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_10_1809	to 10.0.17763.9376 (exc)
microsoft	windows_server_2025	to 10.0.26100.33650 (exc)
microsoft	windows_server_2022	to 10.0.20348.5761 (exc)
microsoft	windows_server_2016	to 10.0.14393.9612 (exc)
microsoft	windows_server_2019	to 10.0.17763.9376 (exc)

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 Server for NFS. It allows an unauthorized attacker to execute arbitrary code over a network by exploiting memory access beyond allocated bounds.

Impact Analysis

An attacker could gain control of affected systems, steal data, install malware, or disrupt services. Systems running vulnerable Windows Server versions with NFS enabled are at risk.

Compliance Impact

This vulnerability allows remote code execution via an out-of-bounds read in Windows Server for NFS. Such unauthorized access could lead to data breaches, unauthorized data access, or modification, which may violate compliance requirements under GDPR (data protection) and HIPAA (health information security).

Mitigation Strategies

Apply the latest security updates from Microsoft for Windows Server and Windows 10 systems, particularly those running NFS services. Disable NFS services if not required and restrict network access to NFS ports (e.g., TCP/UDP 2049) using firewalls.

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