CVE-2023-36407

HIGH

Windows Hyper-V - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2023-36407. PoCs published by pwndorei, zha0.

AI-analyzed exploit summary This PoC exploits CVE-2023-36407, a Hyper-V Elevation of Privilege vulnerability, by triggering an out-of-bounds write in the `winhvr.sys!WinHvSetVpState` function via a maliciously crafted `DeviceIoControl` call, leading to a BSOD due to non-paged pool corruption.

Description

Windows Hyper-V Elevation of Privilege Vulnerability

Exploits (2)

nomisec WORKING POC 1 stars
by pwndorei · poc
https://github.com/pwndorei/CVE-2023-36407

This PoC exploits CVE-2023-36407, a Hyper-V Elevation of Privilege vulnerability, by triggering an out-of-bounds write in the `winhvr.sys!WinHvSetVpState` function via a maliciously crafted `DeviceIoControl` call, leading to a BSOD due to non-paged pool corruption.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Hyper-V on Windows 11 22H2 x64 (pre-kb5031354)
Auth required
Prerequisites: Hyper-V enabled · Local access to the Hyper-V host · Unpatched system (pre-kb5031354)
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC
by zha0 · poc
https://github.com/zha0/CVE-2023-36407

This PoC exploits CVE-2023-36407 by injecting a DLL into a target process to trigger an out-of-bounds write via DeviceIoControl. The exploit leverages a vulnerable driver to achieve local privilege escalation.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: QEMU (specific version not specified)
No auth needed
Prerequisites: Access to a vulnerable QEMU process · Ability to inject DLL into the target process
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0173
EPSS Percentile 74.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (5)
microsoft/windows_11_21h2 < 10.0.22000.2600
microsoft/windows_11_22h2 < 10.0.22621.2715
microsoft/windows_11_23h2 < 10.0.22631.2715
microsoft/windows_server_2022
microsoft/windows_server_2022_23h2 < 10.0.25398.531
Published Nov 14, 2023
Tracked Since Feb 18, 2026