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CVE Number Vulnerability Product Severity Date
CVE-2026-70229 Windows Active Directory Domain Services Remote Code Execution Vulnerability Windows 10, Windows 11, Windows Server Critical 03-11-2026

Technical Information

An unauthenticated attacker could exploit an incorrect authorization vulnerability by sending a specially crafted network packet to an affected service under specific network configuration and timing conditions, achieving remote code execution on the target system without requiring user interaction.

Patch release date: Oct 13, 2026
Further information on this vulnerability is available at : CVE-2026-70229

Affected Software

Windows 11 Version 26H2 for ARM64-based Systems,
Windows 11 Version 26H2 for x64-based Systems,
Windows Server 2012 (Server Core installation),
Windows Server 2012 R2,
Windows Server 2012 R2 (Server Core installation),
Windows 10 Version 1607 for 32-bit Systems,
Windows 10 Version 1607 for x64-based Systems,
Windows Server 2016,
Windows Server 2019,
Windows 10 Version 21H2 for 32-bit Systems,
Windows 10 Version 21H2 for ARM64-based Systems,
Windows 10 Version 22H2 for x64-based Systems,
Windows 11 Version 24H2 for ARM64-based Systems,
Windows 11 Version 24H2 for x64-based Systems,
Windows 11 Version 25H2 for x64-based Systems,
Windows Server 2025,
Windows Server 2025 (Server Core installation),
Windows 11 version 26H1 for x64-based Systems,
Windows Server 2012,
Windows Server 2016 (Server Core installation),
Windows 10 Version 1809 for 32-bit Systems,
Windows 10 Version 1809 for x64-based Systems,
Windows Server 2019 (Server Core installation),
Windows 10 Version 21H2 for x64-based Systems,
Windows 10 Version 22H2 for 32-bit Systems,
Windows 10 Version 22H2 for ARM64-based Systems,
Windows Server 2022,
Windows Server 2022 (Server Core installation),
Windows 11 Version 23H2 for ARM64-based Systems,
Windows 11 Version 23H2 for x64-based Systems,
Windows 11 Version 25H2 for ARM64-based Systems,
Windows 11 Version 26H1 for ARM64-based Systems