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CVE-2026-58530— Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

CVSS 7.8 · High EPSS 0.44% · P36

Possible ATT&CK Techniques 1AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 14

VendorProductVersion RangeStatus
MicrosoftWindows 10 Version 160710.0.14393.0< 10.0.14393.9339affected
MicrosoftWindows 10 Version 180910.0.17763.0< 10.0.17763.9020affected
MicrosoftWindows 10 Version 21H210.0.19044.0< 10.0.19044.7548affected
MicrosoftWindows 10 Version 22H210.0.19045.0< 10.0.19045.7548affected
MicrosoftWindows 11 Version 24H210.0.26100.0< 10.0.26100.8875affected
MicrosoftWindows 11 Version 25H210.0.26200.0< 10.0.26100.8875affected
MicrosoftWindows 11 version 26H110.0.28000.0< 10.0.28000.2525affected
MicrosoftWindows Server 201610.0.14393.0< 10.0.14393.9339affected
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0< 10.0.14393.9339affected
MicrosoftWindows Server 201910.0.17763.0< 10.0.17763.9020affected
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0< 10.0.17763.9020affected
MicrosoftWindows Server 202210.0.20348.0< 10.0.20348.5386affected
MicrosoftWindows Server 202510.0.26100.0< 10.0.26100.33158affected
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0< 10.0.26100.33158affected
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I. Basic Information for CVE-2026-58530

Vulnerability Information
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Vulnerability Title
Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code locally.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MicrosoftWindows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.9339 -
MicrosoftWindows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.9020 -
MicrosoftWindows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.7548 -
MicrosoftWindows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.7548 -
MicrosoftWindows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.8875 -
MicrosoftWindows 11 Version 25H2 10.0.26200.0 ~ 10.0.26100.8875 -
MicrosoftWindows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.2525 -
MicrosoftWindows Server 2016 10.0.14393.0 ~ 10.0.14393.9339 -
MicrosoftWindows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.9339 -
MicrosoftWindows Server 2019 10.0.17763.0 ~ 10.0.17763.9020 -
MicrosoftWindows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.9020 -
MicrosoftWindows Server 2022 10.0.20348.0 ~ 10.0.20348.5386 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.33158 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.33158 -

II. Public POCs for CVE-2026-58530

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III. Intelligence Information for CVE-2026-58530

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Vendor Advisories for CVE-2026-58530 (1)

Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total

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CVE-2026-559449.8 CRITICALMicrosoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Co
CVE-2026-561909.8 CRITICALRemote Desktop Protocol Remote Code Execution Vulnerability
CVE-2026-429909.8 CRITICALSQL Server ODBC driver Elevation of Privilege Vulnerability
CVE-2026-549909.8 CRITICALRemote Desktop Client Remote Code Execution Vulnerability
CVE-2026-561889.8 CRITICALWindows Server Network driver Remote Code Execution Vulnerability
CVE-2026-505229.8 CRITICALMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2026-586449.8 CRITICALMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2026-491729.8 CRITICALWindows FTP Service Remote Code Execution Vulnerability
CVE-2026-504479.8 CRITICALWindows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability
CVE-2026-550109.8 CRITICALMinecraft Bedrock Dedicated Server Remote Code Execution Vulnerability
CVE-2026-485619.6 CRITICALMicrosoft Copilot Remote Code Execution Vulnerability
CVE-2026-503809.6 CRITICALWindows GDI+ Remote Code Execution Vulnerability
CVE-2026-550089.6 CRITICALMicrosoft Exchange Server Spoofing Vulnerability
CVE-2026-497989.3 CRITICALWindows Kernel Elevation of Privilege Vulnerability
CVE-2026-550409.1 CRITICALMicrosoft SharePoint Server Security Feature Bypass Vulnerability
CVE-2026-570878.8 HIGHMicrosoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2026-485648.8 HIGHDHCP Server Service Remote Code Execution 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-122

V. Comments for CVE-2026-58530

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