Improper certificate validation in Microsoft .NET Framework
Priority LOW 26CWE-295Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Partial Red Hat: 4 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-295.
Summary
A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates, aka ".NET Framework Security Feature Bypass Vulnerability." This affects .NET Framework 4.7.2, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, ASP.NET Core 1.1, Microsoft .NET Framework 4.5.2, ASP.NET Core 2.0, ASP.NET Core 1.0, .NET Core 1.1, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 1.0, .NET Core 2.0, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 4.7.2.
Why it matters now
EPSS 0.00748 55th percentileScored 2026-11-07
Fix Partial System.Private.ServiceModel (NuGet): 4.1.3, 4.3.3, 4.4.4 +1System.ServiceModel.Duplex (NuGet): 4.3.3, 4.4.4, 4.5.3 +1+4 more productsRed Hat: 4 without a fix
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 | Microsoft .NET Framework | 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2; 3.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2; 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2; 3.5 on Windows 10 for 32-bit Systems; 3.5 on Windows 10 for x64-based Systems; 3.5 on Windows 10 Version 1607 for 32-bit Systems; 3.5 on Windows 10 Version 1607 for x64-based Systems; 3.5 on Windows 10 Version 1703 for 32-bit Systems; 3.5 on Windows 10 Version 1703 for x64-based Systems; 3.5 on Windows 10 Version 1709 for 32-bit Systems; 3.5 on Windows 10 Version 1709 for x64-based Systems; 3.5 on Windows 10 Version 1803 for 32-bit Systems; 3.5 on Windows 10 Version 1803 for x64-based Systems; 3.5 on Windows 8.1 for 32-bit systems; 3.5 on Windows 8.1 for x64-based systems; 3.5 on Windows Server 2012; 3.5 on Windows Server 2012 (Server Core installation); 3.5 on Windows Server 2012 R2; 3.5 on Windows Server 2012 R2 (Server Core installation); 3.5 on Windows Server 2016; 3.5 on Windows Server 2016 (Server Core installation); 3.5 on Windows Server, version 1709 (Server Core Installation); 3.5 on Windows Server, version 1803 (Server Core Installation); 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1; 3.5.1 on Windows 7 for x64-based Systems Service Pack 1; 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1; 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1; 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1; 4.5.2 on Windows 7 for x64-based Systems Service Pack 1; 4.5.2 on Windows 8.1 for 32-bit systems; 4.5.2 on Windows 8.1 for x64-based systems; 4.5.2 on Windows RT 8.1; 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2; 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2; 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1; 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); 4.5.2 on Windows Server 2012; 4.5.2 on Windows Server 2012 (Server Core installation); 4.5.2 on Windows Server 2012 R2; 4.5.2 on Windows Server 2012 R2 (Server Core installation); 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2; 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2; 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems; 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems; 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016; 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation); 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems; 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows 8.1 for x64-based systems; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows RT 8.1; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2012; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation); 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2012 R2; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation); 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 Server, version 1803 (Server Core Installation) | — | No fix listed | CNA |
| Microsoft | .NET Core | 1.0; 1.1; 2.0 | — | No fix listed | CNA |
| Microsoft | ASP.NET Core | 1.0; 1.1; 2.0 | — | No fix listed | CNA |
| Microsoft | .NET Framework | 4.7.2 Developer Pack | — | No fix listed | CNA |
| — | System.Private.ServiceModel (NuGet) | 4.0.0 to before 4.1.3 | 4.1.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.Private.ServiceModel (NuGet) | 4.3.0 to before 4.3.3 | 4.3.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.Private.ServiceModel (NuGet) | 4.4.0 to before 4.4.4 | 4.4.4 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.Private.ServiceModel (NuGet) | 4.5.0 to before 4.5.3 | 4.5.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Duplex (NuGet) | 4.3.0 to before 4.3.3 | 4.3.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Duplex (NuGet) | 4.4.0 to before 4.4.4 | 4.4.4 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Duplex (NuGet) | 4.5.0 to before 4.5.3 | 4.5.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Duplex (NuGet) | 4.0.0 to before 4.0.4 | 4.0.4 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Http (NuGet) | 4.3.0 to before 4.3.3 | 4.3.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Http (NuGet) | 4.4.0 to before 4.4.4 | 4.4.4 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Http (NuGet) | 4.5.0 to before 4.5.3 | 4.5.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Http (NuGet) | 4.0.0 to before 4.1.3 | 4.1.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.NetTcp (NuGet) | 4.3.0 to before 4.3.3 | 4.3.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.NetTcp (NuGet) | 4.4.0 to before 4.4.4 | 4.4.4 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.NetTcp (NuGet) | 4.5.0 to before 4.5.3 | 4.5.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.NetTcp (NuGet) | 4.0.0 to before 4.1.3 | 4.1.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Primitives (NuGet) | 4.3.0 to before 4.3.3 | 4.3.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Primitives (NuGet) | 4.4.0 to before 4.4.4 | 4.4.4 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Primitives (NuGet) | 4.5.0 to before 4.5.3 | 4.5.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Primitives (NuGet) | 4.0.0 to before 4.1.3 | 4.1.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Security (NuGet) | 4.3.0 to before 4.3.3 | 4.3.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Security (NuGet) | 4.4.0 to before 4.4.4 | 4.4.4 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Security (NuGet) | 4.5.0 to before 4.5.3 | 4.5.3 | Patch available | GHSA-p9wx-v264-q34p |
| — | System.ServiceModel.Security (NuGet) | 4.0.0 to before 4.0.4 | 4.0.4 | Patch available | GHSA-p9wx-v264-q34p |
- Microsoft .NET Framework VendorMicrosoft Affected 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2; 3.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2; 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2; 3.5 on Windows 10 for 32-bit Systems; 3.5 on Windows 10 for x64-based Systems; 3.5 on Windows 10 Version 1607 for 32-bit Systems; 3.5 on Windows 10 Version 1607 for x64-based Systems; 3.5 on Windows 10 Version 1703 for 32-bit Systems; 3.5 on Windows 10 Version 1703 for x64-based Systems; 3.5 on Windows 10 Version 1709 for 32-bit Systems; 3.5 on Windows 10 Version 1709 for x64-based Systems; 3.5 on Windows 10 Version 1803 for 32-bit Systems; 3.5 on Windows 10 Version 1803 for x64-based Systems; 3.5 on Windows 8.1 for 32-bit systems; 3.5 on Windows 8.1 for x64-based systems; 3.5 on Windows Server 2012; 3.5 on Windows Server 2012 (Server Core installation); 3.5 on Windows Server 2012 R2; 3.5 on Windows Server 2012 R2 (Server Core installation); 3.5 on Windows Server 2016; 3.5 on Windows Server 2016 (Server Core installation); 3.5 on Windows Server, version 1709 (Server Core Installation); 3.5 on Windows Server, version 1803 (Server Core Installation); 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1; 3.5.1 on Windows 7 for x64-based Systems Service Pack 1; 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1; 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1; 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1; 4.5.2 on Windows 7 for x64-based Systems Service Pack 1; 4.5.2 on Windows 8.1 for 32-bit systems; 4.5.2 on Windows 8.1 for x64-based systems; 4.5.2 on Windows RT 8.1; 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2; 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2; 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1; 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); 4.5.2 on Windows Server 2012; 4.5.2 on Windows Server 2012 (Server Core installation); 4.5.2 on Windows Server 2012 R2; 4.5.2 on Windows Server 2012 R2 (Server Core installation); 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2; 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2; 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems; 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems; 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016; 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation); 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems; 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows 8.1 for x64-based systems; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows RT 8.1; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2012; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation); 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2012 R2; 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation); 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 Server, version 1803 (Server Core Installation) Fixed in — No fix listed CNA
- .NET Core VendorMicrosoft Affected 1.0; 1.1; 2.0 Fixed in — No fix listed CNA
- ASP.NET Core VendorMicrosoft Affected 1.0; 1.1; 2.0 Fixed in — No fix listed CNA
- .NET Framework VendorMicrosoft Affected 4.7.2 Developer Pack Fixed in — No fix listed CNA
- System.Private.ServiceModel (NuGet) Vendor— Affected 4.0.0 to before 4.1.3 Fixed in 4.1.3 Patch available GHSA-p9wx-v264-q34p
- System.Private.ServiceModel (NuGet) Vendor— Affected 4.3.0 to before 4.3.3 Fixed in 4.3.3 Patch available GHSA-p9wx-v264-q34p
- System.Private.ServiceModel (NuGet) Vendor— Affected 4.4.0 to before 4.4.4 Fixed in 4.4.4 Patch available GHSA-p9wx-v264-q34p
- System.Private.ServiceModel (NuGet) Vendor— Affected 4.5.0 to before 4.5.3 Fixed in 4.5.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Duplex (NuGet) Vendor— Affected 4.3.0 to before 4.3.3 Fixed in 4.3.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Duplex (NuGet) Vendor— Affected 4.4.0 to before 4.4.4 Fixed in 4.4.4 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Duplex (NuGet) Vendor— Affected 4.5.0 to before 4.5.3 Fixed in 4.5.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Duplex (NuGet) Vendor— Affected 4.0.0 to before 4.0.4 Fixed in 4.0.4 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Http (NuGet) Vendor— Affected 4.3.0 to before 4.3.3 Fixed in 4.3.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Http (NuGet) Vendor— Affected 4.4.0 to before 4.4.4 Fixed in 4.4.4 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Http (NuGet) Vendor— Affected 4.5.0 to before 4.5.3 Fixed in 4.5.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Http (NuGet) Vendor— Affected 4.0.0 to before 4.1.3 Fixed in 4.1.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.NetTcp (NuGet) Vendor— Affected 4.3.0 to before 4.3.3 Fixed in 4.3.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.NetTcp (NuGet) Vendor— Affected 4.4.0 to before 4.4.4 Fixed in 4.4.4 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.NetTcp (NuGet) Vendor— Affected 4.5.0 to before 4.5.3 Fixed in 4.5.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.NetTcp (NuGet) Vendor— Affected 4.0.0 to before 4.1.3 Fixed in 4.1.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Primitives (NuGet) Vendor— Affected 4.3.0 to before 4.3.3 Fixed in 4.3.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Primitives (NuGet) Vendor— Affected 4.4.0 to before 4.4.4 Fixed in 4.4.4 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Primitives (NuGet) Vendor— Affected 4.5.0 to before 4.5.3 Fixed in 4.5.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Primitives (NuGet) Vendor— Affected 4.0.0 to before 4.1.3 Fixed in 4.1.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Security (NuGet) Vendor— Affected 4.3.0 to before 4.3.3 Fixed in 4.3.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Security (NuGet) Vendor— Affected 4.4.0 to before 4.4.4 Fixed in 4.4.4 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Security (NuGet) Vendor— Affected 4.5.0 to before 4.5.3 Fixed in 4.5.3 Patch available GHSA-p9wx-v264-q34p
- System.ServiceModel.Security (NuGet) Vendor— Affected 4.0.0 to before 4.0.4 Fixed in 4.0.4 Patch available GHSA-p9wx-v264-q34p
CPE configurations NVD · 35
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:* | 3.0 sp2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* | 3.5 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* | not specified by NVD | Running on | 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_8.1:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server:1803:*:*:*:*:*:*:* | 1803 | Running on | Microsoft |
- cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:* Versions 3.0 sp2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* Versions 3.5 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·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_8.1:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server:1803:*:*:*:*:*:*:* Versions 1803 Running on ·Microsoft
Show 25 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:* | 3.5.1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* | r2 sp1 | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:* | 4.5.2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:* | 4.6 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:* | 4.6.2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:* | 4.7 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:* | 4.7.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* | 4.7.2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:* | 4.6.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:powershell_core:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:powershell_core:6.1:*:*:*:*:*:*:* | 6.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_core:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_core:1.1:*:*:*:*:*:*:* | 1.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_core:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework_developer_pack:4.7.2:*:*:*:*:*:*:* | 4.7.2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:asp.net_core:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:asp.net_core:1.1:*:*:*:*:*:*:* | 1.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:asp.net_core:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | 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 all versions Running on ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:* Versions 3.5.1 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* Versions 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:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:* Versions 4.5.2 Vulnerable ·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_2008:*:sp2:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:* Versions 4.6 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:* Versions 4.6.2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:* Versions 4.7 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:* Versions 4.7.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* Versions 4.7.2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:* Versions 4.6.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:powershell_core:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:powershell_core:6.1:*:*:*:*:*:*:* Versions 6.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_core:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_core:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_core:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_framework_developer_pack:4.7.2:*:*:*:*:*:*:* Versions 4.7.2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:asp.net_core:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:asp.net_core:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:asp.net_core:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Microsoft
Remediation
- Fix · GHSA-p9wx-v264-q34p System.Private.ServiceModel (NuGet) Fixed in 4.1.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.Private.ServiceModel (NuGet) Fixed in 4.3.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.Private.ServiceModel (NuGet) Fixed in 4.4.4 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.Private.ServiceModel (NuGet) Fixed in 4.5.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Duplex (NuGet) Fixed in 4.3.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Duplex (NuGet) Fixed in 4.4.4 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Duplex (NuGet) Fixed in 4.5.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Duplex (NuGet) Fixed in 4.0.4 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Http (NuGet) Fixed in 4.3.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Http (NuGet) Fixed in 4.4.4 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Http (NuGet) Fixed in 4.5.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Http (NuGet) Fixed in 4.1.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.NetTcp (NuGet) Fixed in 4.3.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.NetTcp (NuGet) Fixed in 4.4.4 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.NetTcp (NuGet) Fixed in 4.5.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.NetTcp (NuGet) Fixed in 4.1.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Primitives (NuGet) Fixed in 4.3.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Primitives (NuGet) Fixed in 4.4.4 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Primitives (NuGet) Fixed in 4.5.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Primitives (NuGet) Fixed in 4.1.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Security (NuGet) Fixed in 4.3.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Security (NuGet) Fixed in 4.4.4 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Security (NuGet) Fixed in 4.5.3 Advisory →
- Fix · GHSA-p9wx-v264-q34p System.ServiceModel.Security (NuGet) Fixed in 4.0.4 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| .NET Core 1.0 on Red Hat Enterprise Linux | Affected | No fix planned: Will not fix |
| .NET Core 1.1 on Red Hat Enterprise Linux | Affected | No fix planned: Will not fix |
| .NET Core 2.0 on Red Hat Enterprise Linux | Affected | No fix planned: Will not fix |
| .NET Core 2.1 on Red Hat Enterprise Linux | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2018-8356
- 2026-10-03 Alias added: GHSA-p9wx-v264-q34p
References
More Microsoft .net Core vulnerabilities
- TI-2020-01112 A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and… KEVCVSS 3.1HIGH 7.8
- TI-2021-08380 .NET Core Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2020-00583 Improper input validation in Microsoft .NET Core CVSS 3.1HIGH 8.8
- TI-2020-00582 Improper input validation in Microsoft .NET Core CVSS 3.1HIGH 8.8
- TI-2021-06407 .NET Core Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2022-11690 .NET and Visual Studio Denial of Service Vulnerability CVSS 3.1HIGH 7.5
Sources
- CVE-2018-8356 · CVE Program
- CVE-2018-8356 · NVD
- FIRST EPSS
- GHSA-p9wx-v264-q34p · GitHub Advisory Database · CC BY 4.0
- CVE-2018-8356 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences