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CVE-2026-26156— Windows Hyper-V Remote Code Execution Vulnerability

CVSS 7.8 · High EPSS 0.13% · P32
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I. Basic Information for CVE-2026-26156

Vulnerability Information
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Vulnerability Title
Windows Hyper-V Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Heap-based buffer overflow in Windows Hyper-V allows an unauthorized attacker to execute code locally.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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 缓冲区错误漏洞
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存在缓冲区错误漏洞。攻击者利用该漏洞可以执行代码。以下产品和版本受到影响：Windows 11 Version 26H1 for ARM64-based Systems,Windows 11 version 26H1 for x64-based Systems,Windows 10 Version 1809 for x64-based S
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 1607 10.0.14393.0 ~ 10.0.14393.9060 -
MicrosoftWindows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.8644 -
MicrosoftWindows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.7184 -
MicrosoftWindows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.7184 -
MicrosoftWindows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.6936 -
MicrosoftWindows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.6936 -
MicrosoftWindows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.8246 -
MicrosoftWindows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.8246 -
MicrosoftWindows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.1836 -
MicrosoftWindows Server 2016 10.0.14393.0 ~ 10.0.14393.9060 -
MicrosoftWindows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.9060 -
MicrosoftWindows Server 2019 10.0.17763.0 ~ 10.0.17763.8644 -
MicrosoftWindows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.8644 -
MicrosoftWindows Server 2022 10.0.20348.0 ~ 10.0.20348.5020 -
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.2274 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.32690 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.32690 -

II. Public POCs for CVE-2026-26156

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III. Intelligence Information for CVE-2026-26156

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Same Patch Batch · Microsoft · 2026-04-14 · 163 CVEs total

CVE-2026-338249.8 CRITICALWindows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability
CVE-2026-261499.0 CRITICALMicrosoft Power Apps Desktop Client Spoofing Vulnerability
CVE-2026-261788.8 HIGHWindows Advanced Rasterization Platform Elevation of Privilege Vulnerability
CVE-2026-331208.8 HIGHMicrosoft SQL Server Remote Code Execution Vulnerability
CVE-2026-321578.8 HIGHRemote Desktop Client Remote Code Execution Vulnerability
CVE-2026-321718.8 HIGHAzure Logic Apps Elevation of Privilege Vulnerability
CVE-2026-322258.8 HIGHWindows Shell Security Feature Bypass Vulnerability
CVE-2026-261678.8 HIGHWindows Push Notifications Elevation of Privilege Vulnerability
CVE-2026-279288.7 HIGHWindows Hello Security Feature Bypass Vulnerability
CVE-2026-321628.4 HIGHWindows COM Elevation of Privilege Vulnerability
CVE-2026-331158.4 HIGHMicrosoft Word Remote Code Execution Vulnerability
CVE-2026-320918.4 HIGHMicrosoft Brokering File System Elevation of Privilege Vulnerability
CVE-2026-322218.4 HIGHWindows Graphics Component Remote Code Execution Vulnerability
CVE-2026-321908.4 HIGHMicrosoft Office Remote Code Execution Vulnerability
CVE-2026-331148.4 HIGHMicrosoft Word Remote Code Execution Vulnerability
CVE-2026-338278.1 HIGHWindows TCP/IP Remote Code Execution Vulnerability
CVE-2026-338268.0 HIGHWindows Active Directory Remote Code Execution Vulnerability
CVE-2026-279128.0 HIGHWindows Kerberos Elevation of Privilege Vulnerability
CVE-2026-330957.8 HIGHMicrosoft Word Remote Code Execution Vulnerability
CVE-2026-321927.8 HIGHAzure Monitor Agent Elevation of Privilege Vulnerability

Showing top 20 of 163 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1607
Same vendor: Microsoft
Same weakness: CWE-122

V. Comments for CVE-2026-26156

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