Path traversal in Windows Server - CVE-2026-119905

 

Path traversal in Windows Server - CVE-2026-119905

Published: November 11, 2026


Vulnerability identifier: #VU165331
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-119905
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote privileged user to disclose sensitive information, including NTLM hashes.

The vulnerability exists due to improper input validation in Windows DNS when processing network-supplied input. A remote privileged user can submit specially crafted input over the network to potentially disclose NTLM hashes.


Affected software

Windows Server

How to mitigate CVE-2026-119905

Install security update from vendor's website.

Windows Server - addressed in versions 2016 10.0.14393.9688, 2019 10.0.17763.9487, 2022 10.0.20348.5870, 2025 10.0.26100.33730, 2025 10.0.26100.33822

External References

Related Security Bulletins