Stack-based buffer overflow in LexRuby.cxx (SciLexer.dll) in Scintilla 1.73, as used by notepad++ 4.1.1 and earlier, allows user-assisted remote attackers to execute arbitrary code via certain Ruby (.rb) files with long lines. NOTE: this was originally reported as a vulnerability in notepad++.
Conclusion & alert: CVE-2007-2666 is rated High Exploit Risk (79.2/100): CVSS High severity, with high exploitation likelihood (EPSS 15.23%, 96th 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 |
|---|---|---|---|---|
| 3912 | exploit_db | edb | 2007-05-12 | 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 | 2026-06-17 | 15.11% | 15.23% | +0.12% |
| 2 | 2026-06-15 | 19.51% | 15.11% | -4.40% |
| 3 | 2026-04-16 | — | 19.51% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.6 | 2.0 | HIGH |
|
4.9 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| notepad\+\+ | notepad\+\+ | <= 4.1.1 | cpe:2.3:a:notepad\+\+:notepad\+\+:*:*:*:*:*:*:*:* |
| scintilla | scintilla | 1.73 | cpe:2.3:a:scintilla:scintilla:1.73:*:*:*:*:*:*:* |