Missing Authorization in Windows Server - CVE-2026-112977
Published: November 11, 2026
Vulnerability identifier: #VU164899
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-112977
CWE-ID: CWE-862
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose file contents.
The vulnerability exists due to improper privilege management in Windows Deployment Services when controlling access to file content. A local user can exploit missing authorization checks to read file contents that should be restricted.
Affected software
Windows Server
How to mitigate CVE-2026-112977
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