CVE-2026-119959

EUVD-2026-122131
Improper access control in Windows Hyper-V allows an authorized attacker to perform spoofing locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Windows Releases
Platform
Version
Windows 10
1809 (x64, x86)
21H2 (arm64, x64, x86)
22H2 (arm64, x64, x86)
Windows 11
23H2 (arm64, x64)
24H2 (arm64, x64)
25H2 (arm64, x64)
26H1 (arm64, x64)
26H2 (arm64, x64)
Windows Server 2019
Server Core
Standard
Windows Server 2022
Server Core
Standard
Windows Server 2025
Server Core
Standard