66993 : Microsoft .NET Framework / Silverlight CLR Virtual Delegate Handling Remote Code Execution
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Disclosure Date


Microsoft .NET Framework and Silverlight contain a flaw related to the Common Language Runtime failing to properly handle virtual method delegations and interfaces. This may allow a context-dependent attacker to use a crafted ASP.NET application, XAML browser application or .NET Framework application to execute arbitrary code.


Location: Remote / Network Access, Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Private, Exploit Commercial
Disclosure: Vendor Verified


Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.


Microsoft Corporation
.NET Framework
2.0 SP1
2.0 SP2
3.5 SP1


Tools & Filters



CVSSv2 Score

CVSSv2 Base Score = 9.3
Source: nvd.nist.gov | Generated: 2010-08-12 | Disagree?

Access_vector_2 Access_complexity_1 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2


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