CVE-2012-4777, also known as the "WPF Reflection Optimization Vulnerability," affects Microsoft .NET Framework 4 and 4.5, as well as various Windows operating systems. This vulnerability stems from improper object permission enforcement in the reflection implementation's code-optimization feature, allowing remote attackers to execute arbitrary code through crafted XAML browser applications or .NET Framework applications. With a CVSS score of 9.3, it is considered critical due to its network-based attack vector, medium attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.0CPE matchmatch criteria | cpe:2.3:a:microsoft:.net_framework:4.0:*:*:*:*:*:*:* | ||
4.5CPE matchmatch criteria | cpe:2.3:a:microsoft:.net_framework:4.5:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.