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CVE-2009-0091

CRITICAL CVSS: 9.3 Published: 2009-10-14 Modified: 2026-06-16

Description

Microsoft .NET Framework 2.0, 2.0 SP1, and 3.5 does not properly enforce a certain type-equality constraint in .NET verifiable code, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (XBAP), (2) a crafted ASP.NET application, or (3) a crafted .NET Framework application, aka "Microsoft .NET Framework Type Verification Vulnerability."

Affected Platforms

Microsoft Windows 7Microsoft Windows XpMicrosoft Windows Server 2003Microsoft Windows Server 2008Microsoft Windows 2000Microsoft Windows VistaMicrosoft .Net Framework

Weakness Type

CWE-94

References