CVE-2026-33826— Windows Active Directory Remote Code Execution Vulnerability
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I. Basic Information for CVE-2026-33826
Vulnerability Information
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Vulnerability Title
Windows Active Directory Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper input validation in Windows Active Directory allows an authorized attacker to execute code over an adjacent network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Windows Active Directory 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Active Directory是美国微软（Microsoft）公司的一个负责架构中大型网络环境的集中式目录管理服务。存储有关网络上对象的信息，并使管理员和用户可以轻松查找和使用这些信息。 Microsoft Windows Active Directory存在输入验证错误漏洞。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 Server 2025,Windows Server 2016,Windows Server 2016 (Server Co
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 2012 R2 | 6.3.9600.0 ~ 6.3.9600.23132 | - | |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 ~ 6.3.9600.23132 | - | |
| Microsoft | Windows Server 2016 | 10.0.14393.0 ~ 10.0.14393.9060 | - | |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 ~ 10.0.14393.9060 | - | |
| Microsoft | Windows Server 2019 | 10.0.17763.0 ~ 10.0.17763.8644 | - | |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 ~ 10.0.17763.8644 | - | |
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.5020 | - | |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 ~ 10.0.25398.2274 | - | |
| Microsoft | Windows Server 2025 | 10.0.26100.0 ~ 10.0.26100.32690 | - | |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 ~ 10.0.26100.32690 | - |
II. Public POCs for CVE-2026-33826
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Microsoft · 2026-04-14 · 163 CVEs total
| CVE-2026-33824 | 9.8 CRITICAL | Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability |
| CVE-2026-26149 | 9.0 CRITICAL | Microsoft Power Apps Desktop Client Spoofing Vulnerability |
| CVE-2026-26178 | 8.8 HIGH | Windows Advanced Rasterization Platform Elevation of Privilege Vulnerability |
| CVE-2026-33120 | 8.8 HIGH | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2026-32157 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2026-32171 | 8.8 HIGH | Azure Logic Apps Elevation of Privilege Vulnerability |
| CVE-2026-32225 | 8.8 HIGH | Windows Shell Security Feature Bypass Vulnerability |
| CVE-2026-26167 | 8.8 HIGH | Windows Push Notifications Elevation of Privilege Vulnerability |
| CVE-2026-27928 | 8.7 HIGH | Windows Hello Security Feature Bypass Vulnerability |
| CVE-2026-32162 | 8.4 HIGH | Windows COM Elevation of Privilege Vulnerability |
| CVE-2026-33115 | 8.4 HIGH | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2026-32190 | 8.4 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2026-32091 | 8.4 HIGH | Microsoft Brokering File System Elevation of Privilege Vulnerability |
| CVE-2026-32221 | 8.4 HIGH | Windows Graphics Component Remote Code Execution Vulnerability |
| CVE-2026-33114 | 8.4 HIGH | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2026-33827 | 8.1 HIGH | Windows TCP/IP Remote Code Execution Vulnerability |
| CVE-2026-27912 | 8.0 HIGH | Windows Kerberos Elevation of Privilege Vulnerability |
| CVE-2026-33095 | 7.8 HIGH | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2026-32192 | 7.8 HIGH | Azure Monitor Agent Elevation of Privilege Vulnerability |
| CVE-2026-32165 | 7.8 HIGH | Windows User Interface Core Elevation of Privilege Vulnerability |
Showing top 20 of 163 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Windows Server 2012 R2
- CVE-2025-58737
Remote Desktop Protocol Remote Code Execution Vulnerability - CVE-2025-54106
Windows Routing and Remote Access Service (RRAS) Remote Code - CVE-2025-55231
Windows Storage-based Management Service Remote Code Executi - CVE-2025-49688
Windows Routing and Remote Access Service (RRAS) Remote Code - CVE-2025-33068
Windows Standards-Based Storage Management Service Denial of
Same vendor: Microsoft
- CVE-2026-42826
Azure DevOps Information Disclosure Vulnerability - CVE-2026-35428
Azure Cloud Shell Spoofing Vulnerability - CVE-2026-35435
Azure AI Foundry Elevation of Privilege Vulnerability - CVE-2026-34327
Microsoft Partner Center Spoofing Vulnerability - CVE-2026-33844
Azure Managed Instance for Apache Cassandra Remote Code Exec
Same weakness: CWE-20
V. Comments for CVE-2026-33826
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