What’s Vulnerable › Vulnerabilities

CVE-2018-8540

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 21.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-12-12 · updated 2026-06-17
• Weakness: CWE-94

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.

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 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 (+67)

References

• http://www.securityfocus.com/bid/106073
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8540
• http://www.securityfocus.com/bid/106073
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8540

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