CVE-2026-34332— Windows Kernel-Mode Driver Remote Code Execution Vulnerability
Quick assessment
Affected
Microsoft Windows Server 2025
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 Kernel Mode Drivers是美国微软（Microsoft）公司的Windows内核模式驱动。 Microsoft Windows Kernel Mode Drivers存在资源管理错误漏洞。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 Server 2025。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege EscalationAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| 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-2026-34332
Vulnerability Information
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Vulnerability Title
Windows Kernel-Mode Driver Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Kernel Mode Drivers 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Kernel Mode Drivers是美国微软（Microsoft）公司的Windows内核模式驱动。 Microsoft Windows Kernel Mode Drivers存在资源管理错误漏洞。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 Server 2025。
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 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-2026-34332
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-34332 (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-2026-41096 | 9.8 CRITICAL | Windows DNS Client 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-2026-40357 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2026-40365 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2026-40370 | 8.8 HIGH | SQL Server Remote Code Execution Vulnerability |
| CVE-2026-41094 | 8.8 HIGH | Microsoft Data Formulator Remote Code Execution Vulnerability |
| CVE-2026-35439 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2026-40403 | 8.8 HIGH | Windows Graphics Component Remote Code Execution Vulnerability |
| CVE-2026-41109 | 8.8 HIGH | GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability |
| CVE-2026-35436 | 8.8 HIGH | Microsoft Office Click-To-Run Elevation of Privilege Vulnerability |
| CVE-2026-40420 | 8.8 HIGH | Microsoft Office Click-To-Run Elevation of Privilege Vulnerability |
| CVE-2026-33112 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2026-33110 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
Showing top 20 of 125 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-34332
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