Microsoft Internet Explorer 6 through 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted object, aka "Option Element Remote Code Execution Vulnerability."
Conclusion & alert: CVE-2011-1996 is rated High Exploit Risk (81.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 60.46%, 99th percentile). Core evidence: 1 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 |
|---|---|---|---|---|
| 24020 | exploit_db | edb | 2013-01-10 | 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 | 77.28% | 60.46% | -16.83% |
| 2 | 2026-04-13 | 78.24% | 77.28% | -0.96% |
| 3 | 2026-01-29 | — | 78.24% | — |
Full EPSS history (29 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | internet_explorer | 6 | cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:* |
| microsoft | internet_explorer | 7 | cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:* |
| microsoft | internet_explorer | 8 | cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-081 | Patch Vendor Advisory |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12896 | Third Party Advisory |