High severity7.8NVD Advisory· Published May 12, 2026· Updated May 14, 2026

CVE-2026-35420

Description

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

Microsoft/Windows Server 20123 versions
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*range: <10.0.25398.2330
Microsoft/Windows Server 2016
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
Range: <10.0.14393.9140
Microsoft/Windows Server 2019
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
Range: <10.0.17763.8755
Microsoft/Windows Server 2003
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
Range: <10.0.20348.5074
Microsoft/Windows Server 2025
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Range: <10.0.26100.32772