CVE-2026-88162— Windows Encrypting File System (EFS) Tampering 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.
Windows 加密文件系统（EFS）中存在不正确的授权问题，允许已授权的攻击者在本地进行篡改操作。
Possible ATT&CK Techniques 1 AI
T1222.002 · Linux and Mac PermissionsAffected Version Matrix 17
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0< 10.0.14393.9612 |
affected |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0< 10.0.17763.9376 |
affected |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0< 10.0.19044.7807 |
affected |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0< 10.0.19044.7807 |
affected |
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0< 10.0.22631.7652 |
affected |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0< 10.0.22631.7652 |
affected |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0< 10.0.26100.9711 |
affected |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0< 10.0.26200.9711 |
affected |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0< 10.0.28000.3231 |
affected |
| Microsoft | Windows 11 Version 26H2 | 10.0.26300.0< 10.0.26300.9711 |
affected |
| Microsoft | Windows Server 2016 | 10.0.14393.0< 10.0.14393.9612 |
affected |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0< 10.0.14393.9612 |
affected |
| Microsoft | Windows Server 2019 | 10.0.17763.0< 10.0.17763.9376 |
affected |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0< 10.0.17763.9376 |
affected |
| Microsoft | Windows Server 2022 | 10.0.20348.0< 10.0.20348.5761 |
affected |
| Microsoft | Windows Server 2025 | 10.0.26100.0< 10.0.26100.33650 |
affected |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0< 10.0.26100.33650 |
affected |
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I. Basic Information for CVE-2026-88162
Vulnerability Information
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Vulnerability Title
Windows Encrypting File System (EFS) Tampering Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper authorization in Windows Encrypting File System (EFS) allows an authorized attacker to perform tampering locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 ~ 10.0.14393.9612 | - |
|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 ~ 10.0.17763.9376 | - |
|
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 ~ 10.0.19044.7807 | - |
|
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 ~ 10.0.19044.7807 | - |
|
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 ~ 10.0.22631.7652 | - |
|
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 ~ 10.0.22631.7652 | - |
|
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 ~ 10.0.26100.9711 | - |
|
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 ~ 10.0.26200.9711 | - |
|
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 ~ 10.0.28000.3231 | - |
|
| Microsoft | Windows 11 Version 26H2 | 10.0.26300.0 ~ 10.0.26300.9711 | - |
|
| Microsoft | Windows Server 2016 | 10.0.14393.0 ~ 10.0.14393.9612 | - |
|
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 ~ 10.0.14393.9612 | - |
|
| Microsoft | Windows Server 2019 | 10.0.17763.0 ~ 10.0.17763.9376 | - |
|
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 ~ 10.0.17763.9376 | - |
|
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.5761 | - |
|
| Microsoft | Windows Server 2025 | 10.0.26100.0 ~ 10.0.26100.33650 | - |
|
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 ~ 10.0.26100.33650 | - |
|
II. Public POCs for CVE-2026-88162
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-88162 (1)
Same Patch Batch · Microsoft · 2026-10-13 · 1407 CVEs total
| CVE-2026-97815 | 9.8 CRITICAL | Windows Error Reporting Remote Code Execution Vulnerability |
| CVE-2026-83517 | 9.8 CRITICAL | Microsoft Windows Media Foundation Remote Code Execution Vulnerability |
| CVE-2026-83578 | 9.8 CRITICAL | Microsoft PowerShell Remote Code Execution Vulnerability |
| CVE-2026-83519 | 9.8 CRITICAL | Windows Error Reporting Remote Code Execution Vulnerability |
| CVE-2026-85809 | 9.8 CRITICAL | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2026-70153 | 9.8 CRITICAL | Microsoft PostScript Printer Driver Remote Code Execution Vulnerability |
| CVE-2026-70242 | 9.8 CRITICAL | Microsoft Office Outlook Remote Code Execution Vulnerability |
| CVE-2026-83693 | 9.8 CRITICAL | Windows Error Reporting Remote Code Execution Vulnerability |
| CVE-2026-85814 | 9.8 CRITICAL | Microsoft Windows Media Foundation Remote Code Execution Vulnerability |
| CVE-2026-83748 | 9.8 CRITICAL | Windows Error Reporting Remote Code Execution Vulnerability |
| CVE-2026-83910 | 9.8 CRITICAL | RPC Runtime Library Remote Code Execution Vulnerability |
| CVE-2026-97816 | 9.8 CRITICAL | Microsoft OpenSSH for Windows Remote Code Execution Vulnerability |
| CVE-2026-83780 | 9.8 CRITICAL | Windows CCFFilter Driver Remote Code Execution Vulnerability |
| CVE-2026-83782 | 9.8 CRITICAL | Windows Shell Remote Code Execution Vulnerability |
| CVE-2026-84015 | 9.8 CRITICAL | Remote Access Point-to-Point Protocol (PPP) EAP-TLS Remote Code Execution Vulnerability |
| CVE-2026-97016 | 9.8 CRITICAL | Microsoft Office Outlook Remote Code Execution Vulnerability |
| CVE-2026-96219 | 9.8 CRITICAL | Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerabi |
| CVE-2026-97814 | 9.8 CRITICAL | Windows Text Shaping Remote Code Execution Vulnerability |
| CVE-2026-96934 | 9.8 CRITICAL | Windows DHCP Server Remote Code Execution Vulnerability |
| CVE-2026-96096 | 9.8 CRITICAL | Windows Media Player Remote Code Execution Vulnerability |
Showing top 20 of 1407 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-88162
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