| CVE Number | Vulnerability | Product | Severity | Date |
|---|---|---|---|---|
| CVE-2025-47827 | MITRE CVE-2025-47827: Secure Boot bypass in IGEL OS before 11 | Windows 11, Windows 10, Windows Server | Important | 14-11-2025 |
Technical Information
The igel-flash-driver fails to correctly verify cryptographic signatures, allowing an attacker with access to boot media to supply a crafted, unverified SquashFS image that can be mounted as the root filesystem and thus bypass Secure Boot.
Patch release date: Oct 14, 2025
Further information on this vulnerability is available at : CVE-2025-47827
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 11 Version 22H2 for ARM64-based Systems,
Windows 11 Version 22H2 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 Server 2022, 23H2 Edition (Server Core installation),
Windows 11 Version 24H2 for ARM64-based Systems,
Windows 11 Version 24H2 for x64-based Systems,
Windows Server 2025,
Windows 10 for 32-bit Systems,
Windows 10 for x64-based Systems,
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)