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CVE-2018-8517

A denial of service vulnerability exists when .NET Framework improperly handles special web requests, aka ".NET Framework Denial Of…

High7.5EPSS 5.7%
Published
Updated
Reserved
Assigned by
microsoft

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.

Scores

CVSS scores of CVE-2018-8517, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
5.7% · top 7.0% of all CVEs (4 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

  • Denial of Service

Affected products

  • Microsoft · Microsoft .NET Framework

    • affected 3.5 on Windows 10 Version 1607 for 32-bit Systems
    • affected 3.5 on Windows 10 Version 1607 for x64-based Systems
    • affected 3.5 on Windows 10 Version 1703 for 32-bit Systems
    • affected 3.5 on Windows 10 Version 1703 for x64-based Systems
    • affected 3.5 on Windows 10 Version 1709 for 32-bit Systems
    • affected 3.5 on Windows 10 Version 1709 for x64-based Systems
    • affected 3.5 on Windows 10 Version 1803 for 32-bit Systems
    • affected 3.5 on Windows 10 Version 1803 for x64-based Systems
    • affected 3.5 on Windows 10 Version 1809 for 32-bit Systems
    • affected 3.5 on Windows 10 Version 1809 for x64-based Systems
    • affected 3.5 on Windows 8.1 for 32-bit systems
    • affected 3.5 on Windows 8.1 for x64-based systems
    • affected 3.5 on Windows Server 2012
    • affected 3.5 on Windows Server 2012 (Server Core installation)
    • affected 3.5 on Windows Server 2012 R2
    • affected 3.5 on Windows Server 2012 R2 (Server Core installation)
    • affected 3.5 on Windows Server 2016
    • affected 3.5 on Windows Server 2016 (Server Core installation)
    • affected 3.5 on Windows Server 2019
    • affected 3.5 on Windows Server 2019 (Server Core installation)
    • affected 3.5 on Windows Server, version 1709 (Server Core Installation)
    • affected 3.5 on Windows Server, version 1803 (Server Core Installation)
    • affected 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1
    • affected 3.5.1 on Windows 7 for x64-based Systems Service Pack 1
    • affected 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1
    • affected 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1
    • affected 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
    • affected 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1
    • affected 4.5.2 on Windows 7 for x64-based Systems Service Pack 1
    • affected 4.5.2 on Windows 8.1 for 32-bit systems
    • affected 4.5.2 on Windows 8.1 for x64-based systems
    • affected 4.5.2 on Windows RT 8.1
    • affected 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2
    • affected 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2
    • affected 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1
    • affected 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
    • affected 4.5.2 on Windows Server 2012
    • affected 4.5.2 on Windows Server 2012 (Server Core installation)
    • affected 4.5.2 on Windows Server 2012 R2
    • affected 4.5.2 on Windows Server 2012 R2 (Server Core installation)
    • and 30 more

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .