Vulnerability Description
A remote code execution vulnerability exists when Microsoft .NET Framework processes untrusted input, aka ".NET Framework Remote Code Execution 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 3.0, 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 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 4.7.2, Microsoft .NET Framework 2.0.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .Net Framework | 2.0 |
| Microsoft | Windows Server 2008 | - |
| Microsoft | Windows 10 | - |
| Microsoft | Windows 8.1 | All versions |
| Microsoft | Windows Server 2012 | All versions |
| Microsoft | Windows Server 2016 | All versions |
| Microsoft | Windows 7 | - |
| Microsoft | Windows Rt 8.1 | - |
| Microsoft | Windows Server | 1709 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/105222Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041636Third Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8421PatchVendor Advisory
- http://www.securityfocus.com/bid/105222Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041636Third Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8421PatchVendor Advisory
FAQ
What is CVE-2018-8421?
CVE-2018-8421 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A remote code execution vulnerability exists when Microsoft .NET Framework processes untrusted input, aka ".NET Framework Remote Code Execution Vulnerability." This affects Microsoft .NET Framework 4....
How severe is CVE-2018-8421?
CVE-2018-8421 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-8421?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft .Net Framework, Microsoft Windows Server 2008, Microsoft Windows 10, Microsoft Windows 8.1, Microsoft Windows Server 2012.