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CVE-2026-78451— Microsoft Windows SCSI Class System File Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1809
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 SCSI 类系统文件中的不可信指针解引用漏洞，允许未经授权的攻击者通过物理攻击方式提升权限。

CVSS 6.8 · Medium

Possible ATT&CK Techniques 1 AI

T1069 · Permission Groups Discovery

Affected Version Matrix 13

VendorProduct Version RangeStatus
Microsoft Windows 10 Version 1809 10.0.17763.0< 10.0.17763.9245 affected
Microsoft Windows 10 Version 21H2 10.0.19044.0< 10.0.19044.7725 affected
Microsoft Windows 10 Version 22H2 10.0.19045.0< 10.0.19045.7725 affected
Microsoft Windows 11 version 23H2 10.0.22631.0< 10.0.22631.7582 affected
Microsoft Windows 11 Version 23H2 10.0.22631.0< 10.0.22631.7582 affected
Microsoft Windows 11 Version 24H2 10.0.26100.0< 10.0.26100.9445 affected
Microsoft Windows 11 Version 25H2 10.0.26200.0< 10.0.26200.9445 affected
Microsoft Windows 11 version 26H1 10.0.28000.0< 10.0.28000.2954 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.9245 affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< 10.0.17763.9245 affected
Microsoft Windows Server 2022 10.0.20348.0< 10.0.20348.5622 affected
Microsoft Windows Server 2025 10.0.26100.0< 10.0.26100.33438 affected
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0< 10.0.26100.33438 affected
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I. Basic Information for CVE-2026-78451

Vulnerability Information
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Vulnerability Title
Microsoft Windows SCSI Class System File Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Untrusted pointer dereference in Microsoft Windows SCSI Class System File allows an unauthorized attacker to elevate privileges with a physical attack.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
非可信指针解引用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.9245 -
Microsoft Windows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.7725 -
Microsoft Windows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.7725 -
Microsoft Windows 11 version 23H2 10.0.22631.0 ~ 10.0.22631.7582 -
Microsoft Windows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.7582 -
Microsoft Windows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.9445 -
Microsoft Windows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.9445 -
Microsoft Windows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.2954 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.9245 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.9245 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.5622 -
Microsoft Windows Server 2025 10.0.26100.0 ~ 10.0.26100.33438 -
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.33438 -

II. Public POCs for CVE-2026-78451

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III. Intelligence Information for CVE-2026-78451

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Vendor Advisories for CVE-2026-78451 (1)

Same Patch Batch · Microsoft · 2026-09-08 · 966 CVEs total

CVE-2026-83941 9.9 CRITICAL Entra ID Elevation of Privilege Vulnerability
CVE-2026-78509 9.8 CRITICAL Microsoft Office Outlook Remote Code Execution Vulnerability
CVE-2026-69408 9.8 CRITICAL Microsoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2026-69769 9.8 CRITICAL Windows HTTP Print Provider Remote Code Execution Vulnerability
CVE-2026-69845 9.8 CRITICAL Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-69590 9.8 CRITICAL Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2026-69829 9.8 CRITICAL Windows Shell Remote Code Execution Vulnerability
CVE-2026-69586 9.8 CRITICAL Microsoft Windows PDF Remote Code Execution Vulnerability
CVE-2026-73025 9.8 CRITICAL Windows iSCSI Security Feature Bypass Vulnerability
CVE-2026-70296 9.8 CRITICAL Windows Imaging Component Remote Code Execution Vulnerability
CVE-2026-69824 9.8 CRITICAL Microsoft Standard XPS Remote Code Execution Vulnerability
CVE-2026-73010 9.8 CRITICAL Microsoft Failover Cluster Remote Code Execution Vulnerability
CVE-2026-69491 9.8 CRITICAL Microsoft DirectMusic Remote Code Execution Vulnerability
CVE-2026-69819 9.8 CRITICAL RPC Runtime Library Remote Code Execution Vulnerability
CVE-2026-69493 9.8 CRITICAL Windows Event Logging Service Remote Code Execution Vulnerability
CVE-2026-69730 9.8 CRITICAL Windows DNS Server Remote Code Execution Vulnerability
CVE-2026-69768 9.8 CRITICAL Windows RNDIS Remote Code Execution Vulnerability
CVE-2026-78510 9.8 CRITICAL Microsoft Word Remote Code Execution Vulnerability
CVE-2026-69463 9.8 CRITICAL Windows NTFS Remote Code Execution Vulnerability
CVE-2026-69496 9.8 CRITICAL Windows Compressed Folder Remote Code Execution Vulnerability

Showing top 20 of 966 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1809
Same vendor: Microsoft
Same weakness: CWE-822

V. Comments for CVE-2026-78451

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