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CVE-2018-8540
CRITICAL
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.
Published: Dec 12, 2018
Modified: Jun 17, 2026
CWE-94
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (10)
| Vendor | Product | Version |
|---|---|---|
| microsoft | .net_framework | 3.5 |
| microsoft | .net_framework | 3.5 |
| microsoft | .net_framework | 3.5.1 |
| microsoft | .net_framework | 4.5.2 |
| microsoft | .net_framework | 4.6.2 |
| microsoft | .net_framework | 4.6 |
| microsoft | .net_framework | 4.6.1 |
| microsoft | .net_framework | 4.7 |
| microsoft | .net_framework | 4.7.1 |
| microsoft | .net_framework | 4.7.2 |
GitHub Security Advisory GHSA-5vvw-jxjx-wg5h
A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate...
References (4)
- http://www.securityfocus.com/bid/106073 Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8540 Patch, Vendor Advisory
- http://www.securityfocus.com/bid/106073 Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8540 Patch, Vendor Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
22.13%
Top 3% most likely to be exploited
Threat Score
45.8 / 100
Data Sources
NVD
EPSS
GitHub