| CVE Number | Vulnerability | Product | Severity | Date |
|---|---|---|---|---|
| CVE-2026-85880 | Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability | Windows 10, Windows Server | Important | 15-10-2026 |
Technical Information
An authenticated attacker with code execution permission in a low-privilege AppContainer can exploit a heap-based buffer overflow and use of an uninitialized resource in Windows ALPC to escape the sandbox, elevate local privileges, and gain SYSTEM-level access without additional user interaction.
Patch release date: Sep 08, 2026
Further information on this vulnerability is available at : CVE-2026-85880
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 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)