A certain ActiveX control in adsiis.dll in Microsoft Internet Information Services (IIS) allows remote attackers to cause a denial of service (browser crash) via a long string in the second argument to the GetObject method. NOTE: this issue was disclosed by an unreliable researcher, so it might be incorrect.
Conclusion & alert: CVE-2008-4300 is rated High Exploit Risk (67.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 13.55%, 96th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-15 | 14.22% | 13.55% | -0.66% |
| 2 | 2025-10-16 | 10.39% | 14.22% | +3.83% |
| 3 | 2025-10-01 | — | 10.39% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | internet_information_services | — | cpe:2.3:a:microsoft:internet_information_services:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://securityreason.com/securityalert/4325 | Exploit Third Party Advisory |
| http://www.securityfocus.com/archive/1/496696/100/0/threaded | Exploit Third Party Advisory VDB Entry |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/45584 | Third Party Advisory VDB Entry |