Description
Weak authentication in Network Device Enrollment Service (NDES) allows an authorized attacker to perform spoofing over a network.
Published: 2026-10-13
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Service Spoofing
Action: Patch
AI Analysis

Impact

The vulnerability in the Network Device Enrollment Service arises from insufficient authentication checks, allowing an attacker who has already authenticated to pose as another device or service. This type of spoofing could enable the attacker to approve or obtain certificates that should belong to trusted devices, thereby compromising the integrity and confidentiality of network communications. The weakness is identified as CWE-1390, referring to authentication weaknesses that permit impersonation.

Affected Systems

Microsoft Windows 10 Version 1607 and 1809, Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025, including both standard and Server Core installations, are affected by this flaw.

Risk and Exploitability

The CVSS score of 6.8 indicates moderate severity, but the absence of an EPSS value means the existing exploit probability cannot be quantified. The flaw is not listed in the CISA KEV catalog. Likely exploitation requires the attacker to already have been authenticated to the NDES subsystem; however, once authenticated, the attacker can masquerade as other devices within the network, potentially leading to unauthorized certificate issuance or other privileged actions. No remote unprivileged exploitation path is described, but the impact within an authenticated domain is significant.

Generated by OpenCVE AI on October 14, 2026 at 07:05 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Update Microsoft Windows to the latest patches that address CVE-2026-85323.
  • If the Network Device Enrollment Service is not required, uninstall or disable the service entirely.
  • Restrict NDES network access to a narrow, trusted subnet and enforce strong mutual authentication or certificate‑based verification to prevent spoofing.
  • Monitor NDES logs for anomalous authentication or certificate requests that could indicate spoofing attempts.

Generated by OpenCVE AI on October 14, 2026 at 07:05 UTC.

Tracking

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Advisories

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History

Fri, 23 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows Server 2012 (server Core Installation)
Microsoft windows Server 2012 R2
Microsoft windows Server 2012 R2 (server Core Installation)
Microsoft windows Server 2016 (server Core Installation)
Microsoft windows Server 2019 (server Core Installation)
Microsoft windows Server 2025 (server Core Installation)
Vendors & Products Microsoft windows Server 2012 (server Core Installation)
Microsoft windows Server 2012 R2
Microsoft windows Server 2012 R2 (server Core Installation)
Microsoft windows Server 2016 (server Core Installation)
Microsoft windows Server 2019 (server Core Installation)
Microsoft windows Server 2025 (server Core Installation)

Fri, 16 Oct 2026 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*

Wed, 14 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Description Weak authentication in Network Device Enrollment Service (NDES) allows an authorized attacker to perform spoofing over a network.
Title Network Device Enrollment Service (NDES) Spoofing Vulnerability
First Time appeared Microsoft
Microsoft windows 10 1607
Microsoft windows 10 1809
Microsoft windows Server 2012
Microsoft windows Server 2012 R2
Microsoft windows Server 2016
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2025
Weaknesses CWE-1390
CPEs cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 10 1607
Microsoft windows 10 1809
Microsoft windows Server 2012
Microsoft windows Server 2012 R2
Microsoft windows Server 2016
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2025
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Windows 10 1607 Windows 10 1809 Windows Server 2012 Windows Server 2012 (server Core Installation) Windows Server 2012 R2 Windows Server 2012 R2 Windows Server 2012 R2 (server Core Installation) Windows Server 2016 Windows Server 2016 (server Core Installation) Windows Server 2019 Windows Server 2019 (server Core Installation) Windows Server 2022 Windows Server 2025 Windows Server 2025 (server Core Installation)
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-31T18:04:10.634Z

Reserved: 2026-09-03T17:01:56.595Z

Link: CVE-2026-85323

cve-icon Vulnrichment

Updated: 2026-10-13T22:19:21.045Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-13T19:20:53.710

Modified: 2026-10-16T17:49:29.570

Link: CVE-2026-85323

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-23T16:45:17Z

Weaknesses