CVE-2026-50347— Windows Data.dll Remote Code Execution Vulnerability
Possible ATT&CK Techniques 3AI
T1055 · Process Injection T1068 · Exploitation for Privilege Escalation T1203 · Exploitation for Client ExecutionAffected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0< 10.0.14393.9339 | affected |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0< 10.0.17763.9020 | affected |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0< 10.0.19044.7548 | affected |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0< 10.0.19045.7548 | affected |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0< 10.0.26100.8875 | affected |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0< 10.0.26200.8875 | affected |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0< 10.0.28000.2525 | affected |
| Microsoft | Windows Server 2012 | 6.2.9200.0< 6.2.9200.26226 | affected |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0< 6.2.9200.26226 | affected |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0< 6.3.9600.23291 | affected |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0< 6.3.9600.23291 | affected |
| Microsoft | Windows Server 2016 | 10.0.14393.0< 10.0.14393.9339 | affected |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0< 10.0.14393.9339 | affected |
| Microsoft | Windows Server 2019 | 10.0.17763.0< 10.0.17763.9020 | affected |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0< 10.0.17763.9020 | affected |
| Microsoft | Windows Server 2022 | 10.0.20348.0< 10.0.20348.5386 | affected |
| Microsoft | Windows Server 2025 | 10.0.26100.0< 10.0.26100.33158 | affected |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0< 10.0.26100.33158 | affected |
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I. Basic Information for CVE-2026-50347
Vulnerability Information
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Vulnerability Title
Windows Data.dll Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Heap-based buffer overflow in Windows Data dll allows an unauthorized attacker to execute code locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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 Data.dll 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Data.dll是美国Microsoft公司的一个重要核心动态链接库组件。 Windows Data dll存在安全漏洞，该漏洞源于堆缓冲区溢出，可能导致未经授权的攻击者在本地执行代码。以下版本受到影响：Windows 10 Version 1607 10.0.14393.0之前版本、Windows 10 Version 1809 10.0.17763.0之前版本、Windows 10 Version 21H2 10.0.19044.0之前版本、Windows 10 V
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
II. Public POCs for CVE-2026-50347
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Vendor Advisories for CVE-2026-50347 (1)
Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total
| CVE-2026-57092 | 9.9 CRITICAL | Microsoft Windows VMSwitch Elevation of Privilege Vulnerability |
| CVE-2026-55010 | 9.8 CRITICAL | Minecraft Bedrock Dedicated Server Remote Code Execution Vulnerability |
| CVE-2026-50522 | 9.8 CRITICAL | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2026-50518 | 9.8 CRITICAL | Windows DHCP Server Remote Code Execution Vulnerability |
| CVE-2026-58644 | 9.8 CRITICAL | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2026-42990 | 9.8 CRITICAL | SQL Server ODBC driver Elevation of Privilege Vulnerability |
| CVE-2026-50447 | 9.8 CRITICAL | Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability |
| CVE-2026-56188 | 9.8 CRITICAL | Windows Server Network driver Remote Code Execution Vulnerability |
| CVE-2026-56190 | 9.8 CRITICAL | Remote Desktop Protocol Remote Code Execution Vulnerability |
| CVE-2026-56159 | 9.8 CRITICAL | DHCP Server Service Remote Code Execution Vulnerability |
| CVE-2026-55944 | 9.8 CRITICAL | Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Co |
| CVE-2026-54990 | 9.8 CRITICAL | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2026-49172 | 9.8 CRITICAL | Windows FTP Service Remote Code Execution Vulnerability |
| CVE-2026-48561 | 9.6 CRITICAL | Microsoft Copilot Remote Code Execution Vulnerability |
| CVE-2026-55008 | 9.6 CRITICAL | Microsoft Exchange Server Spoofing Vulnerability |
| CVE-2026-50380 | 9.6 CRITICAL | Windows GDI+ Remote Code Execution Vulnerability |
| CVE-2026-49798 | 9.3 CRITICAL | Windows Kernel Elevation of Privilege Vulnerability |
| CVE-2026-55040 | 9.1 CRITICAL | Microsoft SharePoint Server Security Feature Bypass Vulnerability |
| CVE-2026-56194 | 8.8 HIGH | Windows NFS Server Elevation of Privilege Vulnerability |
| CVE-2026-54121 | 8.8 HIGH | Active Directory Certificate Services Elevation of Privilege Vulnerability |
Showing top 20 of 570 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Windows 10 Version 1607
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DirectX Graphics Kernel Elevation of Privilege Vulnerability - CVE-2026-58627
Windows DHCP Server Denial of Service Vulnerability - CVE-2026-58619
Windows Sensor Data Service Elevation of Privilege Vulnerabi
Same vendor: Microsoft
- CVE-2026-56171
Windows Remote Desktop Protocol (RDP) Information Disclosure - CVE-2026-57980
Microsoft Edge (Chromium-based) Tampering Vulnerability - CVE-2026-62826
Microsoft SharePoint Server Spoofing Vulnerability - CVE-2026-58643
Windows Admin Center Spoofing Vulnerability - CVE-2026-58598
Windows Backup Service Elevation of Privilege Vulnerability
Same weakness: CWE-122
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xrdp: Channel Data Forwarding Fixed-Size Buffer Overflow
V. Comments for CVE-2026-50347
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