Unrated severityNVD Advisory· Published Mar 10, 2026· Updated Apr 22, 2026

Windows Hyper-V Elevation of Privilege Vulnerability

CVE-2026-25170

Description

Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

Microsoft/Windows 11 version 22H3v5
Range: 10.0.22631.0
Microsoft/Windows 11 23h2cpe-rescue
Range: 10.0.22631.0
Microsoft/Windows 11 24h2cpe-rescue
Range: 10.0.26100.0
Microsoft/Windows 11 25h2cpe-rescue
Range: 10.0.26200.0
Microsoft/Windows 11 26h1cpe-rescue
Range: 10.0.28000.0
Microsoft/Windows Server 2003cpe-rescue
Range: 10.0.20348.0
Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5
Range: 10.0.25398.0
Microsoft/Windows Server 2025cpe-rescue
Range: 10.0.26100.0
Microsoft/Windows Server 2025 (Server Core installation)v5
Range: 10.0.26100.0

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