High severity8.8NVD Advisory· Published Mar 10, 2026· Updated Jun 17, 2026

CVE-2026-24283

Description

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

Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5
Range: 10.0.25398.0
Microsoft/Windows Server 2025 (Server Core installation)v5
Range: 10.0.26100.0
Microsoft/Windows 11 24h2cpe-rescue3 versions
10.0.26100.0+ 2 more
- (no CPE)range: 10.0.26100.0
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*range: <10.0.26100.7979
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*range: <10.0.26100.7979
Microsoft/Windows 11 25h2cpe-rescue3 versions
10.0.26200.0+ 2 more
- (no CPE)range: 10.0.26200.0
- cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*range: <10.0.26200.7979
- cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*range: <10.0.26200.7979
Microsoft/Windows 11 26h1cpe-rescue3 versions
10.0.28000.0+ 2 more
- (no CPE)range: 10.0.28000.0
- cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*range: <10.0.28000.1719
- cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*range: <10.0.28000.1719
Microsoft/Windows Server 2025cpe-rescue2 versions
10.0.26100.0+ 1 more
- (no CPE)range: 10.0.26100.0
- cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*range: <10.0.26100.32463
Microsoft/Windows Serverllm-fuzzy
Microsoft/Windows Server 2012
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
Range: <10.0.25398.2207