| CVE Number | Vulnerability | Product | Severity | Date |
|---|---|---|---|---|
| CVE-2026-48563 | Remote Desktop Client Remote Code Execution Vulnerability | Windows 11, Windows 10, Windows Server | Critical | 01-07-2026 |
Technical Information
An unauthenticated attacker who controls a malicious Remote Desktop Server can exploit a use-after-free vulnerability in the vulnerable Remote Desktop Client by performing additional preparatory actions to establish the required target environment, resulting in remote code execution on the victim system when the victim connects to the malicious RDP server.
Patch release date: Jun 09, 2026
Further information on this vulnerability is available at : CVE-2026-48563
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 10 Version 21H2 for 32-bit Systems,
Windows 10 Version 21H2 for ARM64-based Systems,
Windows 10 Version 21H2 for x64-based Systems,
Windows 10 Version 22H2 for x64-based Systems,
Windows 10 Version 22H2 for ARM64-based Systems,
Windows 10 Version 22H2 for 32-bit Systems,
Windows Server 2025 (Server Core installation),
Windows 11 Version 25H2 for ARM64-based Systems,
Windows 11 Version 25H2 for x64-based Systems,
Windows 11 Version 23H2 for ARM64-based Systems,
Windows 11 Version 23H2 for x64-based Systems,
Windows 11 Version 24H2 for ARM64-based Systems,
Windows 11 Version 24H2 for x64-based Systems,
Windows Server 2025,
Windows 11 version 26H1 for x64-based Systems,
Windows 11 Version 26H1 for ARM64-based Systems