CVE-2018-8356
lowpriority · track · 22EPSS 0.007 · 55 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–5.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (113)
Products and version ranges known to be affected.
- Microsoft Microsoft .NET Framework≤ 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systemsenisa_euvdEU
- Microsoft Microsoft .NET Framework≤ 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation)enisa_euvdEU
- Microsoft Microsoft .NET Framework≤ 3.5 on Windows 10 Version 1703 for x64-based Systemsenisa_euvdEU
- Microsoft Microsoft .NET Framework≤ 4.5.2 on Windows 7 for x64-based Systems Service Pack 1enisa_euvdEU
- Microsoft Microsoft .NET Framework≤ 3.5 on Windows Server 2012 R2 (Server Core installation)enisa_euvdEU
- Microsoft Microsoft .NET Framework≤ 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2enisa_euvdEU
- Microsoft Microsoft .NET Framework≤ 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2enisa_euvdEU
- Microsoft Microsoft .NET Framework≤ 3.5 on Windows Server 2016 (Server Core installation)enisa_euvdEU
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-p9wx-v264-q34pImproper Certificate Validation in Microsoft .NET Framework components2022-05-14ghsa · osvUS
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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- http://www.securitytracker.com/id/1041257cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356cnnvd
- https://www.securityfocus.com/bid/104664cnnvd
- http://www.securityfocus.com/bid/104664enisa_euvd
- http://www.securitytracker.com/id/1041257enisa_euvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356enisa_euvd
- http://www.securityfocus.com/bid/104664Third Party AdvisoryVDB Entrynvd
- http://www.securitytracker.com/id/1041257Third Party AdvisoryVDB Entrynvd
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