Improper access control in Windows Server - CVE-2026-113773
Published: November 11, 2026
Vulnerability identifier: #VU164939
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-113773
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform spoofing over a network.
The vulnerability exists due to improper access control in Windows DHCP Server when handling network communications. A remote attacker can exploit insufficient access restrictions over the network to perform spoofing.
Affected software
Windows Server
How to mitigate CVE-2026-113773
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