Relative Path Traversal in Windows Server - CVE-2026-113818
Published: November 11, 2026
Vulnerability identifier: #VU164944
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-113818
CWE-ID: CWE-23
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose file contents.
The vulnerability exists due to relative path traversal in Windows Deployment Services when processing file paths supplied over the network. A remote user can supply a crafted relative path to access files outside the intended directory and disclose their contents.
Affected software
Windows Server
How to mitigate CVE-2026-113818
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