Missing Authentication for Critical Function in Microsoft Windows and Windows Server - CVE-2026-73004
Published: September 9, 2026
Vulnerability identifier: #VU148147
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-73004
CWE-ID: CWE-306
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to modify protected system data.
The vulnerability exists due to missing authentication for a critical function in Windows Autopilot when performing local operations. A local user can perform tampering to modify protected system data.
The modifications can alter system state or configuration beyond normal privileges.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2026-73004
Install security update from vendor's website.
Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7725, 10 22H2 10.0.19045.7725, 11 23H2 10.0.22631.7582, 11 24H2 10.0.26100.9445, 11 25H2 10.0.26200.9445, 11 26H1 10.0.28000.2954
Windows Server - addressed in versions 2022 10.0.20348.5622, 2025 10.0.26100.33438
Windows Server - addressed in versions 2022 10.0.20348.5622, 2025 10.0.26100.33438