The embedded Internet Explorer server control in AOL Instant Messenger (AIM) 6.5.3.12 and earlier allows remote attackers to execute arbitrary code via unspecified web script or HTML in an instant message, related to AIM's filtering of "specific tags and attributes" and the lack of Local Machine Zone lockdown. NOTE: this issue reportedly exists because of an incomplete fix for CVE-2007-4901.
Conclusion & alert: CVE-2007-5124 is rated Moderate Risk (57.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.96%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-16 | 1.38% | 1.96% | +0.57% |
| 2 | 2025-10-22 | 1.27% | 1.38% | +0.12% |
| 3 | 2025-03-30 | — | 1.27% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| aol | instant_messenger | <= 6.5.3.12 | cpe:2.3:a:aol:instant_messenger:*:*:*:*:*:*:*:* |