CVE-2026-50333— Windows Spaceport.sys Elevation of Privilege Vulnerability
Quick assessment
Affected
Microsoft Windows 10 Version 1607
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 Spaceport.sys是美国Microsoft公司的一个Windows存储空间驱动程序，负责Storage Spaces虚拟磁盘管理、磁盘池创建、数据冗余及存储资源调度。 Microsoft Windows Spaceport.sys存在授权问题漏洞，该漏洞源于缺少关键功能的身份验证，可能导致授权攻击者在本地提升权限。以下版本受到影响：Windows 10 Version 1607 10.0.14393.0之前版本、Windows 10 Version 1809 1
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege EscalationAffected Version Matrix 14
| 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 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-2026-50333
Vulnerability Information
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Vulnerability Title
Windows Spaceport.sys Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Missing authentication for critical function in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Spaceport.sys 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Spaceport.sys是美国Microsoft公司的一个Windows存储空间驱动程序，负责Storage Spaces虚拟磁盘管理、磁盘池创建、数据冗余及存储资源调度。 Microsoft Windows Spaceport.sys存在授权问题漏洞，该漏洞源于缺少关键功能的身份验证，可能导致授权攻击者在本地提升权限。以下版本受到影响：Windows 10 Version 1607 10.0.14393.0之前版本、Windows 10 Version 1809 1
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 10 Version 1607 | 10.0.14393.0 ~ 10.0.14393.9339 | - |
|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 ~ 10.0.17763.9020 | - |
|
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 ~ 10.0.19044.7548 | - |
|
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 ~ 10.0.19045.7548 | - |
|
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 ~ 10.0.26100.8875 | - |
|
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 ~ 10.0.26200.8875 | - |
|
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 ~ 10.0.28000.2525 | - |
|
| Microsoft | Windows Server 2016 | 10.0.14393.0 ~ 10.0.14393.9339 | - |
|
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 ~ 10.0.14393.9339 | - |
|
| Microsoft | Windows Server 2019 | 10.0.17763.0 ~ 10.0.17763.9020 | - |
|
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 ~ 10.0.17763.9020 | - |
|
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.5386 | - |
|
| Microsoft | Windows Server 2025 | 10.0.26100.0 ~ 10.0.26100.33158 | - |
|
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 ~ 10.0.26100.33158 | - |
|
II. Public POCs for CVE-2026-50333
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2026-50333 (1)
Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total
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| CVE-2026-50447 | 9.8 CRITICAL | Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability |
| CVE-2026-42990 | 9.8 CRITICAL | SQL Server ODBC driver Elevation of Privilege Vulnerability |
| CVE-2026-55944 | 9.8 CRITICAL | Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Co |
| CVE-2026-56159 | 9.8 CRITICAL | DHCP Server Service Remote Code Execution Vulnerability |
| CVE-2026-56190 | 9.8 CRITICAL | Remote Desktop Protocol Remote Code Execution Vulnerability |
| CVE-2026-56188 | 9.8 CRITICAL | Windows Server Network driver Remote Code Execution Vulnerability |
| CVE-2026-58644 | 9.8 CRITICAL | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2026-50522 | 9.8 CRITICAL | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2026-54118 | 9.8 CRITICAL | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2026-54117 | 9.8 CRITICAL | Microsoft SQL Server Remote Code Execution Vulnerability |
| 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 Edge Copilot Remote Code Execution Vulnerability |
| CVE-2026-50380 | 9.6 CRITICAL | Windows GDI+ Remote Code Execution Vulnerability |
| CVE-2026-55008 | 9.6 CRITICAL | Microsoft Exchange Server Spoofing 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 |
Showing top 20 of 570 CVEs. View all on vendor page → →
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