CVE-2026-119947 · Infrastructure
NO FIX YET
A use-after-free bug in Windows Hyper-V lets an attacker who already has an account on the machine elevate their privileges. The attacker needs local access and valid credentials first.
first public Nov 10, 2026 · 1 source
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Systems running Windows with the Hyper-V role enabled are the ones in scope, since the flaw is in Hyper-V. The sources do not say which Windows builds or configurations are affected, so unknown. Machines without Hyper-V enabled are likely not exposed, but the sources do not confirm this.
Not affected if hyper-v-not-enabled
Who cares hyper-v, windows
Unknown from the sources. In the analyst’s queue.
No fix yet, per the sources.
Use after free 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:H/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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