Improper input validation in Microsoft .NET Framework
Priority MEDIUM 54CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
A Remote Code Execution vulnerability exists in .NET software when the software fails to check the source markup of a file, aka ".NET Framework Remote Code Execution Vulnerability." This affects .NET Framework 4.7.2, Microsoft .NET Framework 4.7.2.
Why it matters now
EPSS 0.15952 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | .NET Framework | 4.7.2 Developer Pack | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework | 4.7.2 on Windows 10 Version 1607 for 32-bit Systems; 4.7.2 on Windows 10 Version 1607 for x64-based Systems; 4.7.2 on Windows 10 Version 1703 for 32-bit Systems; 4.7.2 on Windows 10 Version 1703 for x64-based Systems; 4.7.2 on Windows 10 Version 1709 for 32-bit Systems; 4.7.2 on Windows 10 Version 1709 for x64-based Systems; 4.7.2 on Windows 10 Version 1803 for 32-bit Systems; 4.7.2 on Windows 10 Version 1803 for x64-based Systems; 4.7.2 on Windows 7 for 32-bit Systems Service Pack 1; 4.7.2 on Windows 7 for x64-based Systems Service Pack 1; 4.7.2 on Windows 8.1 for 32-bit systems; 4.7.2 on Windows 8.1 for x64-based systems; 4.7.2 on Windows RT 8.1; 4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1; 4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); 4.7.2 on Windows Server 2012; 4.7.2 on Windows Server 2012 (Server Core installation); 4.7.2 on Windows Server 2012 R2; 4.7.2 on Windows Server 2012 R2 (Server Core installation); 4.7.2 on Windows Server 2016; 4.7.2 on Windows Server 2016 (Server Core installation); 4.7.2 on Windows Server, version 1709 (Server Core Installation); 4.7.2 on Windows Server, version 1803 (Server Core Installation) | — | No fix listed | CNA |
- .NET Framework VendorMicrosoft Affected 4.7.2 Developer Pack Fixed in — No fix listed CNA
- Microsoft .NET Framework VendorMicrosoft Affected 4.7.2 on Windows 10 Version 1607 for 32-bit Systems; 4.7.2 on Windows 10 Version 1607 for x64-based Systems; 4.7.2 on Windows 10 Version 1703 for 32-bit Systems; 4.7.2 on Windows 10 Version 1703 for x64-based Systems; 4.7.2 on Windows 10 Version 1709 for 32-bit Systems; 4.7.2 on Windows 10 Version 1709 for x64-based Systems; 4.7.2 on Windows 10 Version 1803 for 32-bit Systems; 4.7.2 on Windows 10 Version 1803 for x64-based Systems; 4.7.2 on Windows 7 for 32-bit Systems Service Pack 1; 4.7.2 on Windows 7 for x64-based Systems Service Pack 1; 4.7.2 on Windows 8.1 for 32-bit systems; 4.7.2 on Windows 8.1 for x64-based systems; 4.7.2 on Windows RT 8.1; 4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1; 4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); 4.7.2 on Windows Server 2012; 4.7.2 on Windows Server 2012 (Server Core installation); 4.7.2 on Windows Server 2012 R2; 4.7.2 on Windows Server 2012 R2 (Server Core installation); 4.7.2 on Windows Server 2016; 4.7.2 on Windows Server 2016 (Server Core installation); 4.7.2 on Windows Server, version 1709 (Server Core Installation); 4.7.2 on Windows Server, version 1803 (Server Core Installation) Fixed in — No fix listed CNA
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* | 4.7.2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* | 1607 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* | 1703 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* | 1709 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* | 1803 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server:1709:*:*:*:*:*:*:* | 1709 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server:1803:*:*:*:*:*:*:* | 1803 | Running on | Microsoft |
- cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* Versions 4.7.2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* Versions 1607 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* Versions 1703 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* Versions 1709 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* Versions 1803 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server:1709:*:*:*:*:*:*:* Versions 1709 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server:1803:*:*:*:*:*:*:* Versions 1803 Running on ·Microsoft
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* | r2 sp1 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* | r2 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* Versions r2 sp1 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-8260
- 2026-10-03 Alias added: GHSA-q76h-pfpm-pgpp
References
More Microsoft .net Framework vulnerabilities
- TI-2020-00622 XML injection in Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01112 A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and… KEVCVSS 3.1HIGH 7.8
- TI-2017-06273 Code injection in Microsoft .NET Framework KEVCVSS 3.1HIGH 7.8
- TI-2015-01495 The Windows DirectWrite library, as used in Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1… KEVCVSS 3.1HIGH 7.8
- TI-2024-19239 .NET Framework Information Disclosure Vulnerability KEVCVSS 3.1HIGH 7.5
- TI-2023-18684 ASP.NET Elevation of Privilege Vulnerability CVSS 3.1HIGH 8.8
Sources
- CVE-2018-8260 · CVE Program
- CVE-2018-8260 · NVD
- FIRST EPSS
- GHSA-q76h-pfpm-pgpp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences