VULNERABILITY INTELLIGENCE
CVE-2012-4777
CVSS score9.3 HIGH
EPSS probability24.75%
CISA KEVNot currently listed
Published2012-11-14
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:C/I:C/A:C
Description
The code-optimization feature in the reflection implementation in Microsoft .NET Framework 4 and 4.5 does not properly enforce object permissions, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP) or (2) a crafted .NET Framework application, aka "WPF Reflection Optimization Vulnerability."
Primary references
- secure@microsoft.com
- secure@microsoft.com
- secure@microsoft.com
- secure@microsoft.com
- secure@microsoft.com — US Government Resource
- secure@microsoft.com
- secure@microsoft.com
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — US Government Resource