๐Ÿ” CVE Alert

CVE-2026-25170

HIGH 7.0

Windows Hyper-V Elevation of Privilege Vulnerability

CVSS Score
7.0
EPSS Score
0.0%
EPSS Percentile
0th

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

Vendor microsoft
Product windows 11 version 22h3
Ecosystems
Industries
TechnologyEnterprise
Published Mar 10, 2026
Last Updated Apr 14, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:H/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 11 version 22H3
10.0.22631.0 < 10.0.22631.6783
Microsoft / Windows 11 Version 23H2
10.0.22631.0 < 10.0.22631.6783
Microsoft / Windows 11 Version 24H2
10.0.26100.0 < 10.0.26100.8037
Microsoft / Windows 11 Version 25H2
10.0.26200.0 < 10.0.26200.8037
Microsoft / Windows 11 version 26H1
10.0.28000.0 < 10.0.28000.1719
Microsoft / Windows Server 2022
10.0.20348.0 < 10.0.20348.4893
Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.0 < 10.0.25398.2207
Microsoft / Windows Server 2025
10.0.26100.0 < 10.0.26100.32522
Microsoft / Windows Server 2025 (Server Core installation)
10.0.26100.0 < 10.0.26100.32522

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25170