CVE-2025-21334
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
| Vendor | microsoft |
| Product | windows 10 version 21h2 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jan 14, 2025 |
| Last Updated | Feb 26, 2026 |
⚠️ Actively Exploited — Act Now
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Windows 10 Version 21H2
10.0.19044.0 < 10.0.19044.5371
Microsoft / Windows 10 Version 22H2
10.0.19045.0 < 10.0.19045.5371
Microsoft / Windows 11 version 22H2
10.0.22621.0 < 10.0.22621.4751
Microsoft / Windows 11 version 22H3
10.0.22631.0 < 10.0.22631.4751
Microsoft / Windows 11 Version 23H2
10.0.22631.0 < 10.0.22631.4751
Microsoft / Windows 11 Version 24H2
10.0.26100.0 < 10.0.26100.2894
Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.0 < 10.0.25398.1369
Microsoft / Windows Server 2025
10.0.26100.0 < 10.0.26100.2894
Microsoft / Windows Server 2025 (Server Core installation)
10.0.26100.0 < 10.0.26100.2894