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7.8
CVSS
High

CVE-2025-21333

PUBLISHED

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

Exploited in the wild PoC available Low complexity No user interaction
Vendor
Microsoft
Product
Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 version 22H2, Windows 11 version 22H3, Windows 11 Version 23H2, Windows 11 Version 24H2, Windows Server 2022, 23H2 Edition (Server Core installation), Windows Server 2025, Windows Server 2025 (Server Core installation)
Published
Jan 14, 2025
EPSS
—

Description

Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

windows cisa microsoft nessus_scanner

CVSS scores

CVSS v3.1 7.8 High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Exploitation status

Exploited in the wild

Recorded 2025-01-14 00:00:00 UTC · Source

Proof of concept available

Recorded 2025-03-11 17:32:07 UTC · Source

SSVC decision points

Exploitation
active
Automatable
No
Technical impact
total

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source Added
CISA Jan 14, 2025

Scanner integrations

Scanner Reference Detected
Nessus https://www.tenable.com/plugins/nessus/214136 Jun 02, 2025

Potential proof of concepts

These PoCs are unverified and could contain malware. Use at your own risk.

aleongx/KQL_sentinel_CVE-2025-21333

github · Created 2025-03-11 17:32:07 UTC · 0 stars

KQL para deteccion de CVE-2025-21333 en Sentinel

MrAle98/CVE-2025-21333-POC

github · Created 2025-02-27 12:36:55 UTC · 186 stars

POC exploit for CVE-2025-21333 heap-based buffer overflow. It leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRY

Timeline

  • CVE ID Reserved

  • Added to KEVIntel

  • CVE Published to Public

  • Proof of Concept Exploit Available

  • Detected by Nessus