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CVE-2026-20922— Windows NTFS Remote Code Execution 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 NTFS是美国微软（Microsoft）公司的一个为计算机文件服务的文件系统。该文件系统具有错误预警功能、磁盘自我修复功能和日志功能。 Microsoft Windows NTFS存在安全漏洞。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 2022 (Server Core installation),Windows 10 Version 21H2 for 32-bit Systems,Windows Server 2019 (

CVSS 7.8 · High EPSS 1.08% · P62

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 24

VendorProduct Version RangeStatus
Microsoft Windows 10 Version 1607 10.0.14393.0< 10.0.14393.8783 affected
Microsoft Windows 10 Version 1809 10.0.17763.0< 10.0.17763.8276 affected
Microsoft Windows 10 Version 21H2 10.0.19044.0< 10.0.19044.6809 affected
Microsoft Windows 10 Version 22H2 10.0.19045.0< 10.0.19045.6809 affected
Microsoft Windows 11 version 23H2 10.0.22631.0< 10.0.22631.6491 affected
Microsoft Windows 11 Version 23H2 10.0.22631.0< 10.0.22631.6491 affected
Microsoft Windows 11 Version 24H2 10.0.26100.0< 10.0.26100.7623 affected
Microsoft Windows 11 Version 25H2 10.0.26200.0< 10.0.26200.7623 affected
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0< 6.1.7601.28117 affected
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0< 6.1.7601.28117 affected
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0< 6.0.6003.23717 affected
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0< 6.0.6003.23717 affected
Microsoft Windows Server 2012 6.2.9200.0< 6.2.9200.25868 affected
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0< 6.2.9200.25868 affected
Microsoft Windows Server 2012 R2 6.3.9600.0< 6.3.9600.22968 affected
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0< 6.3.9600.22968 affected
Microsoft Windows Server 2016 10.0.14393.0< 10.0.14393.8783 affected
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0< 10.0.14393.8783 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.8276 affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< 10.0.17763.8276 affected
Microsoft Windows Server 2022 10.0.20348.0< 10.0.20348.4648 affected
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0< 10.0.25398.2092 affected
Microsoft Windows Server 2025 10.0.26100.0< 10.0.26100.32230 affected
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0< 10.0.26100.32230 affected
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I. Basic Information for CVE-2026-20922

Vulnerability Information
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Vulnerability Title
Windows NTFS Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code 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
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows NTFS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows NTFS是美国微软（Microsoft）公司的一个为计算机文件服务的文件系统。该文件系统具有错误预警功能、磁盘自我修复功能和日志功能。 Microsoft Windows NTFS存在安全漏洞。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 2022 (Server Core installation),Windows 10 Version 21H2 for 32-bit Systems,Windows Server 2019 (
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 ~ 10.0.14393.8783 -
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.8276 -
Microsoft Windows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.6809 -
Microsoft Windows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.6809 -
Microsoft Windows 11 version 23H2 10.0.22631.0 ~ 10.0.22631.6491 -
Microsoft Windows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.6491 -
Microsoft Windows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.7623 -
Microsoft Windows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.7623 -
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 ~ 6.1.7601.28117 -
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 ~ 6.1.7601.28117 -
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 ~ 6.0.6003.23717 -
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 ~ 6.0.6003.23717 -
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.25868 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.25868 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.22968 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.22968 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.8783 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.8783 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.8276 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.8276 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.4648 -
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.2092 -
Microsoft Windows Server 2025 10.0.26100.0 ~ 10.0.26100.32230 -
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.32230 -

II. Public POCs for CVE-2026-20922

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III. Intelligence Information for CVE-2026-20922

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Same Patch Batch · Microsoft · 2026-01-13 · 112 CVEs total

CVE-2026-20963 9.8 CRITICAL Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2026-20947 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-20868 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2026-20952 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2026-20944 8.4 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2026-20953 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2026-20856 8.1 HIGH Windows Server Update Service (WSUS) Remote Code Execution Vulnerability
CVE-2026-20931 8.0 HIGH Windows Telephony Service Elevation of Privilege Vulnerability
CVE-2026-20859 7.8 HIGH Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
CVE-2026-21224 7.8 HIGH Azure Connected Machine Agent Elevation of Privilege Vulnerability
CVE-2026-20837 7.8 HIGH Windows Media Remote Code Execution Vulnerability
CVE-2026-20956 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-20840 7.8 HIGH Windows NTFS Remote Code Execution Vulnerability
CVE-2026-20955 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-20951 7.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-20946 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-20857 7.8 HIGH Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
CVE-2026-20920 7.8 HIGH Win32k Elevation of Privilege Vulnerability
CVE-2026-20938 7.8 HIGH Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability
CVE-2026-20918 7.8 HIGH Windows Management Services Elevation of Privilege Vulnerability

Showing top 20 of 112 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1607
Same vendor: Microsoft
Same weakness: CWE-122

V. Comments for CVE-2026-20922

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