Privilege escalation with SageMaker and there's more hiding in execution roles
December 1, 2025
He opened PowerShell as Administrator and ran:
It was 2:00 AM on a Saturday. Marcus Chen, a senior cloud architect, stared at a single line of red text in his terminal: "Failed to mount 'prod_db_backup_2024.vhd'. The file is corrupted." repair corrupt vhd
Marcus knew a trick: mount the VHD as a raw disk using a loopback driver. He used OSFMount from PassMark. He mounted the VHD as a read-only raw drive letter Y: . He opened PowerShell as Administrator and ran: It
He navigated to Z:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\DATA\ . The .mdf and .ldf files were there. He ran DBCC CHECKDB against a test restore—no allocation errors. a senior cloud architect
He ran:
He downloaded VHDTool (a small open-source CLI utility). Its job: analyze and fix the VHD footer/header alignment.
