CVE-2026-69802

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Weak Authentication in NDES Allows Remote Code Execution

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Microsoft Corporation

Description

Weak authentication in Network Device Enrollment Service (NDES) allows an unauthorized attacker to execute code over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-13

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-69802

EUVD

EUVD-2026-100160

Affected Vendors & Products

Vendor	Product	Version / Range
Microsoft	Windows	Server 2012 6.2.9200.0
Microsoft	Windows	Server 2012 (Server Core installation) 6.2.9200.0
Microsoft	Windows	Server 2012 R2 6.3.9600.0
Microsoft	Windows	Server 2012 R2 (Server Core installation) 6.3.9600.0
Microsoft	Windows	Server 2016 10.0.14393.0
Microsoft	Windows	Server 2016 (Server Core installation) 10.0.14393.0
Microsoft	Windows	Server 2019 10.0.17763.0
Microsoft	Windows	Server 2019 (Server Core installation) 10.0.17763.0
Microsoft	Windows	Server 2022 10.0.20348.0
Microsoft	Windows	Server 2025 10.0.26100.0
Microsoft	Windows	Server 2025 (Server Core installation) 10.0.26100.0

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 unauthorized attacker can exploit this to execute arbitrary code over a network without needing prior access.

Impact Analysis

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

Compliance Impact

This vulnerability allows unauthorized remote code execution, which could lead to unauthorized access to sensitive data. This may violate compliance requirements for GDPR (data protection) and HIPAA (health information security) by enabling data breaches or unauthorized modifications.

Mitigation Strategies

Apply the latest security updates from Microsoft for NDES. Disable NDES if not required. Monitor network traffic for suspicious activity related to NDES.

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