Weak Authentication in Windows Server - CVE-2026-69802

 

Weak Authentication in Windows Server - CVE-2026-69802

Published: October 13, 2026


Vulnerability identifier: #VU154425
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-69802
CWE-ID: CWE-1390
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to weak authentication in Network Device Enrollment Service (NDES) when accessed over a network. A remote attacker can exploit the weak authentication to execute arbitrary code.

Successful exploitation is complex and time-consuming, requiring significant effort and precise conditions.


Affected software

Windows Server

How to mitigate CVE-2026-69802

Install security update from vendor's website.

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