CVSS 9.3 CRITICAL Bulletin: MS14-064 Published: 2014-11-11

CVE-2014-6332: Microsoft Windows OLE Automation Array Remote Code Execution (Unicorn Bug)

Technical intelligence and weaponization dossier for CVE-2014-6332. Documented exploitation across 1 active malware families totaling 4 analyzed telemetry samples.

Attributed Families
1
Sample Volume
4
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-2014-6332
Common Name / Bulletin Microsoft Windows OLE Automation Array Remote Code Execution (Unicorn Bug) (MS14-064)
CWE Classification CWE-119: Array Resizing Out-of-Bounds Write
Affected Software & Versions Microsoft Windows 95 through Windows 10 (over 18 years of OS versions)
Technical Root Cause Flaw in OLEAUT32.DLL when resizing SafeArray structures in VBScript inside Internet Explorer, enabling complete ASLR and sandbox bypass.
Associated ATT&CK Techniques
  • T1189 — Associated ATT&CK Technique
  • T1204 — Associated ATT&CK Technique

Malware Families Weaponizing CVE-2014-6332

Empirical catalog telemetry verifies that the following 1 malware families weaponize this vulnerability for initial access, privilege escalation, or lateral movement:

1 families
Malware Family Category Catalog Samples Operational Profile
gh0stRat4Gh0st RAT (also tracked as Ghost RAT, Backdoor.Gh0st, and Win32/Gh0st) is one of the most historically significant, modular, and widely weaponized Remote Access...

SOC Detection & Threat Hunting Guidance

Threat hunting leads and behavioral telemetry patterns to identify weaponized exploitation of CVE-2014-6332 in enterprise networks:

HTML files containing VBScript with Redim Preserve operations on dynamic arrays exceeding 0x7FFFFFFF elements.

Remediation & Defensive Hardening

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

Actionable Guidance: Install MS14-064 patch; disable VBScript execution in Internet Explorer security zones.

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