CVE-2026-113865 · Infrastructure
NO FIX YET
A time-of-check time-of-use race condition in Windows Hyper-V lets an authorized local attacker elevate privileges on the machine. The NVD entry rates it high (CVSS 7.8) and says nothing about exploitation in the wild.
first public Nov 10, 2026 · 1 source
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Affects Windows hosts running the Hyper-V role, where a user already holds an account on the machine. Machines without Hyper-V enabled are not covered by this description. The sources do not give the fixed builds or the exact trigger conditions.
Not affected if hyper-v-not-enabled, no-local-accounts
Who cares hyper-v, windows, windows-server
winver or Get-ComputerInfo and compare it with the fixed build in Microsoft's advisory, which the sources do not name.Get-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V.No fix yet, per the sources.
Time-of-check time-of-use (toctou) race condition in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
This page as .md · .json · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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