| CVE Number | Vulnerability | Product | Severity | Date |
|---|---|---|---|---|
| CVE-2026-62818 | Windows Active Directory Certificate Services (AD CS) Remote Code Execution Vulnerability | Windows 10, Windows Server | Critical | 01-09-2026 |
Technical Information
An authenticated attacker could exploit a use-after-free vulnerability in Active Directory Certificate Services (AD CS) by sending a specially crafted request to an affected service over the network to execute arbitrary code on the target system.
Patch release date: Aug 11, 2026
Further information on this vulnerability is available at : CVE-2026-62818
Affected Software
Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-based Systems,
Windows Server 2019,
Windows Server 2019 (Server Core installation),
Windows Server 2022,
Windows Server 2022 (Server Core installation),
Windows Server 2025 (Server Core installation),
Windows Server 2025,
Windows 10 Version 1607 for 32-bit Systems,
Windows 10 Version 1607 for x64-based Systems,
Windows Server 2016,
Windows Server 2016 (Server Core installation),
Windows Server 2012,
Windows Server 2012 (Server Core installation),
Windows Server 2012 R2,
Windows Server 2012 R2 (Server Core installation)