CVE-2018-8540

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka ".NET Framework Remote Code Injection 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, Microsoft .NET Framework 4.6.2.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-94

Affected software

Vendor	Product	Versions
Microsoft	Microsoft .NET Framework	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 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)

References

http://www.securityfocus.com/bid/106073Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8540Patch, Vendor Advisory
http://www.securityfocus.com/bid/106073Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8540Patch, Vendor Advisory

Timeline

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

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