Nov 2026: Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2026-119960 Published on November 10, 2026

Windows Hyper-V Elevation of Privilege Vulnerability
Use of uninitialized resource in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

Vendor Advisory NVD

Vulnerability Analysis

Exploitation:

NONE

Automatable:

Technical Impact:

TOTAL

Weakness Type

Use of Uninitialized Resource

The software uses or accesses a resource that has not been initialized. When a resource has not been properly initialized, the software may behave unexpectedly. This may lead to a crash or invalid memory access, but the consequences vary depending on the type of resource and how it is used within the software.

Products Associated with CVE-2026-119960

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Microsoft Windows 11 24h2

Microsoft Windows 11 25h2

Microsoft Windows 11 Version 26h2 Arm64 Based Systems

Microsoft Windows Server 2025

Microsoft Windows 11 26h1

Affected Versions

Microsoft Windows 11 Version 24H2:

Version 10.0.26100.0 and below 10.0.26100.9974 is affected.

Microsoft Windows 11 Version 25H2:

Version 10.0.26200.0 and below 10.0.26200.9974 is affected.

Microsoft Windows 11 version 26H1:

Version 10.0.28000.0 and below 10.0.28000.3501 is affected.

Microsoft Windows 11 Version 26H2:

Version 10.0.26300.0 and below 10.0.26300.9974 is affected.

Microsoft Windows Server 2025:

Version 10.0.26100.0 and below 10.0.26100.33822 is affected.

Microsoft Windows Server 2025 (Server Core installation):

Version 10.0.26100.0 and below 10.0.26100.33822 is affected.

Exploit Probability

EPSS

0.28%

Percentile

20.93%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.