Vulnerability Intelligence Report
CVE-2018-8421
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.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:28.91%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft .NET Framework | 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 (affected), 2.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 (affected), 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 (affected), 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 (affected), 3.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 (affected), 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 (affected), 3.5 on Windows 10 for 32-bit Systems (affected), 3.5 on Windows 10 for x64-based Systems (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 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, 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) (affected), 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 (affected), 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 (affected), 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems (affected), 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems (affected), 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (affected), 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) (affected), 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 (affected), 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 (affected), 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems (affected), 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows 8.1 for x64-based systems (affected), 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows RT 8.1 (affected), 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (affected), 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (affected), 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2012 (affected), 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) (affected), 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2012 R2 (affected), 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) (affected), 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems (affected), 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems (affected), 4.7.1/4.7.2 on Windows Server, version 1709 (Server Core Installation) (affected), 4.7.2 on Windows 10 Version 1803 for 32-bit Systems (affected), 4.7.2 on Windows 10 Version 1803 for x64-based Systems (affected), 4.7.2 on Windows Server, version 1803 (Server Core Installation) (affected), 4.7/4.7.1/4.7.2 on Windows 10 Version 1703 for 32-bit Systems (affected), 4.7/4.7.1/4.7.2 on Windows 10 Version 1703 for x64-based Systems (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
28.910%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2018-03-14T00:00:00 |
| Published | 2018-09-13T00:00:00 |
| Patch Date | 2018-09-12 |
| Last Updated | 2024-08-05T06:54:36 |
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