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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-24283

Multiple UNC Provider Kernel Driver Elevation of Privilege Vulnerability

Description

Heap-based buffer overflow in Windows File Server allows an authorized attacker to elevate privileges locally.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Windows 11 Version 24H2

  • 10.0.26100.0 to < 10.0.26100.8037affected

Microsoft Windows 11 Version 25H2

  • 10.0.26200.0 to < 10.0.26200.8037affected

Microsoft Windows 11 version 26H1

  • 10.0.28000.0 to < 10.0.28000.1719affected

Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)

  • 10.0.25398.0 to < 10.0.25398.2207affected

Microsoft Windows Server 2025

  • 10.0.26100.0 to < 10.0.26100.32522affected

Microsoft Windows Server 2025 (Server Core installation)

  • 10.0.26100.0 to < 10.0.26100.32522affected

References