Weak Authentication in Microsoft Windows and Windows Server - CVE-2026-85323

 

Weak Authentication in Microsoft Windows and Windows Server - CVE-2026-85323

Published: October 14, 2026


Vulnerability identifier: #VU155098
CSH Severity: Low
CVSS v4: 6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-85323
CWE-ID: CWE-1390
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform spoofing.

The vulnerability exists due to weak authentication in Network Device Enrollment Service (NDES) when handling network interactions. A remote user can exploit the weak authentication over a network to perform spoofing.

Successful exploitation requires a deep understanding of the system and depends on factors that may include the environment, system configuration, and additional security measures.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2026-85323

Install security update from vendor's website.

Microsoft Windows - addressed in versions 10 1607 10.0.14393.9612, 10 1809 10.0.17763.9376
Windows Server - addressed in versions 2012 R2 6.3.9600.23470, 2012 6.2.9200.26434, 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650

External References

Related Security Bulletins