What’s Vulnerable › Vulnerabilities

CVE-2018-8517

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-12-12 · updated 2026-06-17

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.

Affected products

• Microsoft .NET Framework: 3.5, 3.5-sp1, 3.5.1, 4.5.2, 4.6.2, 4.6 (+4)
• Microsoft .NET Framework: 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 (+64)

References

• http://www.securityfocus.com/bid/106075
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8517
• http://www.securityfocus.com/bid/106075
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8517

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