Incomplete List of Disallowed Inputs in Microsoft Windows and Windows Server - CVE-2026-69624
Published: September 8, 2026
Vulnerability identifier: #VU147856
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-69624
CWE-ID: CWE-184
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to make unauthorized modifications to protected system data.
The vulnerability exists due to an incomplete list of disallowed inputs in Active Directory Certificate Services (AD CS) when handling network requests. A remote user can submit disallowed input to make unauthorized modifications to protected system data.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2026-69624
Install security update from vendor's website.
Microsoft Windows - addressed in versions 10 1607 10.0.14393.9512, 10 1809 10.0.17763.9245
Windows Server - addressed in versions 2012 R2 6.3.9600.23397, 2012 6.2.9200.26349, 2016 10.0.14393.9512, 2019 10.0.17763.9245, 2022 10.0.20348.5622, 2025 10.0.26100.33438
Windows Server - addressed in versions 2012 R2 6.3.9600.23397, 2012 6.2.9200.26349, 2016 10.0.14393.9512, 2019 10.0.17763.9245, 2022 10.0.20348.5622, 2025 10.0.26100.33438