CVE-2018-8517

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A denial of service vulnerability exists when .NET Framework improperly handles special web requests, aka ".NET Framework Denial Of Service Vulnerability." This affects Microsoft .NET Framework 4.6, Microsoft .NET Framework 3.5, Microsoft .NET Framework 4.7/4.7.1/4.7.2, 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 3.5.1, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 4.7.2.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
MicrosoftMicrosoft .NET Framework3.5 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 10 Version 1809 for 32-bit Systems; 3.5 on Windows 10 Version 1809 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 2019; 3.5 on Windows Server 2019 (Server Core installation)

References

Timeline

Published
Dec 12, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2018-8517: High severity, CVSS 7.5 | Vulnix