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I. Basic Information for CVE-2025-21333
Vulnerability Information
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Vulnerability Title
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Hyper-V 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Hyper-V是美国微软（Microsoft）公司的一个应用程序。一种系统管理程序虚拟化技术，能够实现桌面虚拟化。 Microsoft Hyper-V存在安全漏洞。攻击者利用该漏洞可以提升权限。以下产品和版本受到影响：Windows 10 Version 21H2 for x64-based Systems,Windows 11 Version 22H2 for ARM64-based Systems,Windows 11 Version 22H2 for x64-based Syst
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
MicrosoftWindows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.5371 -
MicrosoftWindows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.5371 -
MicrosoftWindows 11 version 22H2 10.0.22621.0 ~ 10.0.22621.4751 -
MicrosoftWindows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.4751 -
MicrosoftWindows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.4751 -
MicrosoftWindows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.2894 -
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.1369 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.2894 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.2894 -
II. Public POCs for CVE-2025-21333
#POC DescriptionSource LinkShenlong Link
1Poc exploit for CVE-2025-21333 heap-based buffer overflow. It leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRYhttps://github.com/MrAle98/CVE-2025-21333-POCPOC Details
2POC exploit for CVE-2025-21333 heap-based buffer overflow. It leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRYhttps://github.com/Mukesh-blend/CVE-2025-21333-POCPOC Details
3KQL para deteccion de CVE-2025-21333 en Sentinelhttps://github.com/aleongx/KQL_sentinel_CVE-2025-21333POC Details
4POC exploit for CVE-2025-21333 heap-based buffer overflow. It leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRYhttps://github.com/SerabiLem/CVE-2025-21333-POCPOC Details
5POC exploit for CVE-2025-21333 heap-based buffer overflow. It leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRYhttps://github.com/160102/CVE-2025-21333-POCPOC Details
6CVE-2025-21333https://github.com/B1ack4sh/Blackash-CVE-2025-21333POC Details
7🛠️ Exploit CVE-2025-21333 in vkrnlintvsp.sys with this proof of concept, aimed at demonstrating potential threats on Windows 11 systems.https://github.com/pradip022/CVE-2025-21333-POCPOC Details
8Lab project analyzing Hyper-V kernel crash behavior (CVE-2025-21333) using WinDbg and Windows internalshttps://github.com/rahul0xkr/Reproducing-CVE-2025-21333-POC Details
9CVE-2025-21333https://github.com/Ashwesker/Blackash-CVE-2025-21333POC Details
10CVE-2025-21333https://github.com/Ashwesker/Ashwesker-CVE-2025-21333POC Details
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III. Intelligence Information for CVE-2025-21333
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IV. Related Vulnerabilities
Same product: Windows 10 Version 21H2
Same vendor: Microsoft
Same weakness: CWE-122
V. Comments for CVE-2025-21333

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