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CVE-2026-50376— Windows Remote Desktop Client Information Disclosure 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 RDP是美国Microsoft公司的一款远程桌面协议及配套服务，集成于Windows操作系统中。 Microsoft Windows RDP存在资源管理错误漏洞，该漏洞源于Windows RDP中使用了未初始化的资源，可能导致未经授权的攻击者通过网络披露信息。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 Versi

CVSS 6.5 · Medium EPSS 0.87% · P56

Possible ATT&CK Techniques 1 AI

T1213 · Data from Information Repositories

Affected Version Matrix 18

VendorProduct Version RangeStatus
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-2026-50376

Vulnerability Information
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Vulnerability Title
Windows Remote Desktop Client Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对未经初始化资源的使用
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows RDP 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows RDP是美国Microsoft公司的一款远程桌面协议及配套服务，集成于Windows操作系统中。 Microsoft Windows RDP存在资源管理错误漏洞，该漏洞源于Windows RDP中使用了未初始化的资源，可能导致未经授权的攻击者通过网络披露信息。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 Versi
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 2012 6.2.9200.0 ~ 6.2.9200.26226 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.26226 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.23291 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.23291 -
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-2026-50376

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III. Intelligence Information for CVE-2026-50376

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Vendor Advisories for CVE-2026-50376 (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-2026-54118 9.8 CRITICAL Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2026-54117 9.8 CRITICAL Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2026-42990 9.8 CRITICAL SQL Server ODBC driver Elevation of Privilege Vulnerability
CVE-2026-50522 9.8 CRITICAL Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2026-58644 9.8 CRITICAL Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2026-50518 9.8 CRITICAL Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-56188 9.8 CRITICAL Windows Server Network driver Remote Code Execution Vulnerability
CVE-2026-55010 9.8 CRITICAL Minecraft Bedrock Dedicated Server Remote Code Execution Vulnerability
CVE-2026-56190 9.8 CRITICAL Remote Desktop Protocol Remote Code Execution Vulnerability
CVE-2026-54990 9.8 CRITICAL Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-50447 9.8 CRITICAL Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability
CVE-2026-49172 9.8 CRITICAL Windows FTP 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-2026-56159 9.8 CRITICAL DHCP Server Service Remote Code Execution Vulnerability
CVE-2026-48561 9.6 CRITICAL Microsoft Edge 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

Showing top 20 of 570 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1607
Same vendor: Microsoft
Same weakness: CWE-908

V. Comments for CVE-2026-50376

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