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CVE Number Vulnerability Product Severity Date
CVE-2026-62893 Windows Deployment Services TFTP Server Remote Code Execution Vulnerability Windows 10, Windows Server Critical 01-09-2026

Technical Information

An unauthenticated attacker could exploit a use-after-free vulnerability in Windows Deployment Services by sending a specially crafted packet to an affected service over the network, enabling arbitrary code execution on the target system without user interaction.

Patch release date: Aug 11, 2026
Further information on this vulnerability is available at : CVE-2026-62893

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)