CVSS 9.3 CRITICAL Bulletin: MS13-022 Published: 2013-03-12

CVE-2013-0074: Microsoft Silverlight Double-Dereference Remote Code Execution

Technical intelligence and weaponization dossier for CVE-2013-0074. Documented exploitation across 2 active malware families totaling 3,938 analyzed telemetry samples.

Attributed Families
2
Sample Volume
3,938
CVSS Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Official NIST NVD
View NVD Record →

Vulnerability Specifications & Root Cause

Vulnerability ID CVE-2013-0074
Common Name / Bulletin Microsoft Silverlight Double-Dereference Remote Code Execution (MS13-022)
CWE Classification CWE-119: Memory Corruption
Affected Software & Versions Microsoft Silverlight 5.0
Technical Root Cause Silverlight runtime flaw when validating object references, allowing web attackers to escape the browser sandbox via a malicious Silverlight application.
Associated ATT&CK Techniques
  • T1189 — Associated ATT&CK Technique
  • T1204 — Associated ATT&CK Technique

Malware Families Weaponizing CVE-2013-0074

Empirical catalog telemetry verifies that the following 2 malware families weaponize this vulnerability for initial access, privilege escalation, or lateral movement:

2 families
Malware Family Category Catalog Samples Operational Profile
bladabindiRat3,930Bladabindi (universally recognized in the cybersecurity community as njRAT) is an infamous, widely proliferated remote access trojan originally authored by an i...
simdaBotnet8Simda is a versatile, highly evasive modular botnet and credential-theft trojan first detected in 2009. Engineered with aggressive anti-analysis routines, sandb...

SOC Detection & Threat Hunting Guidance

Threat hunting leads and behavioral telemetry patterns to identify weaponized exploitation of CVE-2013-0074 in enterprise networks:

Browser download of .xap packages from untrusted external IP addresses containing compiled .NET assemblies with obfuscated IL instructions.

Remediation & Defensive Hardening

SOC containment checklist and attack surface reduction measures to neutralize exploitation:

Actionable Guidance: Completely uninstall Microsoft Silverlight from all endpoints; apply MS13-022.

For end-to-end incident response procedures, consult our dedicated playbook: Backdoor & RAT Protection for Businesses →

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