CVE-2018-8356

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 5.5/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-295

Affected software

VendorProductVersions
MicrosoftMicrosoft .NET Framework3.0 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
Microsoft.NET Core1.0; 1.1; 2.0
MicrosoftASP.NET Core1.0; 1.1; 2.0
Microsoft.NET Framework4.7.2 Developer Pack

References

Timeline

Published
Jul 11, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2018-8356: Medium severity, CVSS 5.5 | Vulnix