Windows Projected File System Elevation of Privilege Vulnerability
Priority LOW 36CWE-126Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Buffer over-read in Windows Projected File System Filter Driver allows an authorized attacker to elevate privileges locally.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00401 34th percentileScored 2026-11-07
Fix Fixed Microsoft: 8 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 to before 10.0.17763.8146 | 10.0.17763.8146 | Patch available | CNA |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 to before 10.0.19044.6691 | 10.0.19044.6691 | Patch available | CNA |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 to before 10.0.19045.6691 | 10.0.19045.6691 | Patch available | CNA |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 to before 10.0.22631.6345 | 10.0.22631.6345 | Patch available | CNA |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 to before 10.0.22631.6345 | 10.0.22631.6345 | Patch available | CNA |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 to before 10.0.26100.7462 | 10.0.26100.7462 | Patch available | CNA |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 to before 10.0.26200.7462 | 10.0.26200.7462 | Patch available | CNA |
| Microsoft | Windows Server 2019 | 10.0.17763.0 to before 10.0.17763.8146 | 10.0.17763.8146 | Patch available | CNA |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 to before 10.0.17763.8146 | 10.0.17763.8146 | Patch available | CNA |
| Microsoft | Windows Server 2022 | 10.0.20348.0 to before 10.0.20348.4529 | 10.0.20348.4529 | Patch available | CNA |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 to before 10.0.25398.2025 | 10.0.25398.2025 | Patch available | CNA |
| Microsoft | Windows Server 2025 | 10.0.26100.0 to before 10.0.26100.7462 | 10.0.26100.7462 | Patch available | CNA |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 to before 10.0.26100.7462 | 10.0.26100.7462 | Patch available | CNA |
- Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.8146 Fixed in 10.0.17763.8146 Patch available CNA
- Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.19044.0 to before 10.0.19044.6691 Fixed in 10.0.19044.6691 Patch available CNA
- Windows 10 Version 22H2 VendorMicrosoft Affected 10.0.19045.0 to before 10.0.19045.6691 Fixed in 10.0.19045.6691 Patch available CNA
- Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.6345 Fixed in 10.0.22631.6345 Patch available CNA
- Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.6345 Fixed in 10.0.22631.6345 Patch available CNA
- Windows 11 Version 24H2 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.7462 Fixed in 10.0.26100.7462 Patch available CNA
- Windows 11 Version 25H2 VendorMicrosoft Affected 10.0.26200.0 to before 10.0.26200.7462 Fixed in 10.0.26200.7462 Patch available CNA
- Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.8146 Fixed in 10.0.17763.8146 Patch available CNA
- Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.8146 Fixed in 10.0.17763.8146 Patch available CNA
- Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.4529 Fixed in 10.0.20348.4529 Patch available CNA
- Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.2025 Fixed in 10.0.25398.2025 Patch available CNA
- Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.7462 Fixed in 10.0.26100.7462 Patch available CNA
- Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.7462 Fixed in 10.0.26100.7462 Patch available CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* | before 10.0.17763.8146 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* | before 10.0.17763.8146 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* | before 10.0.19044.6691 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* | before 10.0.19045.6691 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* | before 10.0.22631.6345 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* | before 10.0.26100.7392 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:* | before 10.0.26200.7392 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* | before 10.0.17763.8146 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* | before 10.0.20348.4467 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* | before 10.0.25398.2025 | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* Versions before 10.0.17763.8146 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* Versions before 10.0.17763.8146 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* Versions before 10.0.19044.6691 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* Versions before 10.0.19045.6691 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.6345 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* Versions before 10.0.26100.7392 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:* Versions before 10.0.26200.7392 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* Versions before 10.0.17763.8146 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.4467 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.2025 Vulnerable ·Microsoft
Remediation
Microsoft 8 updates
- Security Update
- Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.7462
- Windows 11 Version 24H2 for x64-based Systems 10.0.26100.7462
- Windows 11 Version 25H2 for ARM64-based Systems 10.0.26200.7462
- Windows 11 Version 25H2 for x64-based Systems 10.0.26200.7462
- Windows Server 2025 10.0.26100.7462
- Windows Server 2025 (Server Core installation) 10.0.26100.7462
- Security Hotpatch Update
- Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.7392
- Windows 11 Version 24H2 for x64-based Systems 10.0.26100.7392
- Windows 11 Version 25H2 for ARM64-based Systems 10.0.26200.7392
- Windows 11 Version 25H2 for x64-based Systems 10.0.26200.7392
- Windows Server 2025 10.0.26100.7392
- Windows Server 2025 (Server Core installation) 10.0.26100.7392
- Security Update
- Windows Server 2022 10.0.20348.4529
- Windows Server 2022 (Server Core installation) 10.0.20348.4529
Show 5 more Microsoft updates
- Security Update
- Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.6691
- Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.6691
- Windows 10 Version 21H2 for x64-based Systems 10.0.19044.6691
- Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.6691
- Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.6691
- Windows 10 Version 22H2 for x64-based Systems 10.0.19045.6691
- Security Update
- Windows 10 Version 1809 for 32-bit Systems 10.0.17763.8146
- Windows 10 Version 1809 for x64-based Systems 10.0.17763.8146
- Windows Server 2019 10.0.17763.8146
- Windows Server 2019 (Server Core installation) 10.0.17763.8146
- Security Update
- Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.2025
- Security Update
- Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.6345
- Windows 11 Version 23H2 for x64-based Systems 10.0.22631.6345
- Security Hotpatch Update
- Windows Server 2022 10.0.20348.4467
- Windows Server 2022 (Server Core installation) 10.0.20348.4467
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Elevation of Privilege
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2025-62461
- 2026-10-03 Alias added: GHSA-m5xf-4vhf-x33m
References
More Microsoft Windows 10 1809 vulnerabilities
- TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-73128 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2026-17367 MSHTML Framework Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2026-17364 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2025-24062 Windows SMB Client Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2025-24042 Internet Shortcut Files Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2025-62461 · CVE Program
- CVE-2025-62461 · NVD
- FIRST EPSS
- GHSA-m5xf-4vhf-x33m · GitHub Advisory Database · CC BY 4.0
- CVE-2025-62461 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences