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Case File

CVE-2012-2521

HIGH · CVSS 9.3 EPSS 20.87% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2012-08-15 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2012-2521
Severity
HIGH
CVSS
9.3
EPSS
20.87%
Microsoft

Original Filing — NVD Description

Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted object, aka "Asynchronous NULL Object Access Remote Code Execution Vulnerability."