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CVE-2026-41096— Windows DNS Client Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Windows 11 version 23H2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows DNS是美国微软（Microsoft）公司的一个域名解析服务。域名系统（DNS）是包含TCP / IP的行业标准协议套件之一，并且DNS客户端和DNS服务器共同为计算机和用户提供计算机名称到IP地址的映射名称解析服务。 Microsoft Windows DNS存在安全漏洞。攻击者利用该漏洞可以远程执行代码。以下产品和版本受到影响：Windows Server 2025 (Server Core installation),Windows 11 Version 25H2

CVSS 9.8 · Critical EPSS 0.97% · P61

Affected Version Matrix 8

VendorProduct Version RangeStatus
Microsoft Windows 11 version 23H2 10.0.22631.0< 10.0.22631.7079 affected
Microsoft Windows 11 Version 23H2 10.0.22631.0< 10.0.22631.7219 affected
Microsoft Windows 11 Version 24H2 10.0.26100.0< 10.0.26100.8457 affected
Microsoft Windows 11 Version 25H2 10.0.26200.0< 10.0.26200.8457 affected
Microsoft Windows 11 version 26H1 10.0.28000.0< 10.0.28000.2113 affected
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0< 10.0.25398.2330 affected
Microsoft Windows Server 2025 10.0.26100.0< 10.0.26100.32860 affected
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0< 10.0.26100.32860 affected
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I. Basic Information for CVE-2026-41096

Vulnerability Information
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Vulnerability Title
Windows DNS Client Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows DNS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows DNS是美国微软（Microsoft）公司的一个域名解析服务。域名系统（DNS）是包含TCP / IP的行业标准协议套件之一，并且DNS客户端和DNS服务器共同为计算机和用户提供计算机名称到IP地址的映射名称解析服务。 Microsoft Windows DNS存在安全漏洞。攻击者利用该漏洞可以远程执行代码。以下产品和版本受到影响：Windows Server 2025 (Server Core installation),Windows 11 Version 25H2
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

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 11 version 23H2 10.0.22631.0 ~ 10.0.22631.7079 -
Microsoft Windows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.7219 -
Microsoft Windows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.8457 -
Microsoft Windows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.8457 -
Microsoft Windows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.2113 -
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.2330 -
Microsoft Windows Server 2025 10.0.26100.0 ~ 10.0.26100.32860 -
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.32860 -

II. Public POCs for CVE-2026-41096

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III. Intelligence Information for CVE-2026-41096

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Vendor Advisories for CVE-2026-41096 (1)

Same Patch Batch · Microsoft · 2026-05-12 · 125 CVEs total

CVE-2026-42898 9.9 CRITICAL Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2026-42823 9.9 CRITICAL Azure Logic Apps Elevation of Privilege Vulnerability
CVE-2026-41089 9.8 CRITICAL Windows Netlogon Remote Code Execution Vulnerability
CVE-2026-40379 9.3 CRITICAL Azure Entra ID Spoofing Vulnerability
CVE-2026-40402 9.3 CRITICAL Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2026-42833 9.1 CRITICAL Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2026-33117 9.1 CRITICAL Azure SDK for Java Security Feature Bypass Vulnerability
CVE-2026-41103 9.1 CRITICAL Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability
CVE-2026-41613 8.8 HIGH Visual Studio Code Elevation of Privilege Vulnerability
CVE-2026-35436 8.8 HIGH Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
CVE-2026-40357 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-41109 8.8 HIGH GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
CVE-2026-40420 8.8 HIGH Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
CVE-2026-40403 8.8 HIGH Windows Graphics Component Remote Code Execution Vulnerability
CVE-2026-40370 8.8 HIGH SQL Server Remote Code Execution Vulnerability
CVE-2026-41086 8.8 HIGH Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability
CVE-2026-40365 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-33110 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-34329 8.8 HIGH Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
CVE-2026-35439 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability

Showing top 20 of 125 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 11 version 23H2
Same vendor: Microsoft
Same weakness: CWE-122

V. Comments for CVE-2026-41096

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