CVE-2026-85323

Analyzed Analyzed - Analysis Complete

Authentication Bypass in NDES via Spoofing

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description

Weak authentication in Network Device Enrollment Service (NDES) allows an authorized attacker to perform spoofing over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-16

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-85323

EUVD

EUVD-2026-99463

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_2016	to 10.0.14393.9612 (exc)
microsoft	windows_server_2019	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)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-1390	The product uses an authentication mechanism to restrict access to specific users or identities, but the mechanism does not sufficiently prove that the claimed identity is correct.

Attack-Flow Graph

Executive Summary

This vulnerability involves weak authentication in the Network Device Enrollment Service (NDES). An authorized attacker can exploit this to perform spoofing attacks over a network, potentially impersonating legitimate devices or users.

Impact Analysis

An attacker could impersonate network devices or users, leading to unauthorized access, data breaches, or network manipulation. This may disrupt services or allow further attacks on connected systems.

Compliance Impact

This vulnerability allows spoofing due to weak authentication in NDES, which could lead to unauthorized access or impersonation. Such weaknesses may violate compliance requirements for secure authentication and data integrity in standards like GDPR and HIPAA.

Mitigation Strategies

Apply the latest security updates from Microsoft for NDES. Disable NDES if not required. Monitor network traffic for unusual spoofing activities. Restrict access to NDES servers to authorized personnel only.

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