Unspecified vulnerability in the skype4com URI handler in Skype before 3.6 GOLD allows remote attackers to execute arbitrary code via "short string values" that result in heap corruption.
Conclusion & alert: CVE-2007-5989 is rated Moderate Risk (60.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 6.50%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.38% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-04-08 | 5.13% | 6.50% | +1.38% |
| 2 | 2026-03-25 | 5.16% | 5.13% | -0.03% |
| 3 | 2026-03-02 | — | 5.16% | — |
Full EPSS history (17 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 |
|---|---|---|---|
| skype_technologies | skype | 0.98.0.04 | cpe:2.3:a:skype_technologies:skype:0.98.0.04:*:*:*:*:*:*:* |
| skype_technologies | skype | 1.0.0.9 | cpe:2.3:a:skype_technologies:skype:1.0.0.9:*:*:*:*:*:*:* |
| skype_technologies | skype | 1.0.0.10 | cpe:2.3:a:skype_technologies:skype:1.0.0.10:*:*:*:*:*:*:* |
| skype_technologies | skype | 1.0.0.18 | cpe:2.3:a:skype_technologies:skype:1.0.0.18:*:*:*:*:*:*:* |
| skype_technologies | skype | 1.0.0.29 | cpe:2.3:a:skype_technologies:skype:1.0.0.29:*:*:*:*:*:*:* |
| skype_technologies | skype | 1.0.0.94 | cpe:2.3:a:skype_technologies:skype:1.0.0.94:*:*:*:*:*:*:* |
| skype_technologies | skype | 1.0.0.97 | cpe:2.3:a:skype_technologies:skype:1.0.0.97:*:*:*:*:*:*:* |
| skype_technologies | skype | 1.0.0.100 | cpe:2.3:a:skype_technologies:skype:1.0.0.100:*:*:*:*:*:*:* |
| skype_technologies | skype | 1.1.0.0 | cpe:2.3:a:skype_technologies:skype:1.1.0.0:*:*:*:*:*:*:* |
| skype_technologies | skype | 1.4.0.83 | cpe:2.3:a:skype_technologies:skype:1.4.0.83:*:*:*:*:*:*:* |
| skype_technologies | skype | 1.5.0.79 | cpe:2.3:a:skype_technologies:skype:1.5.0.79:*:*:*:*:*:*:* |
| skype_technologies | skype | 1.5.80 | cpe:2.3:a:skype_technologies:skype:1.5.80:*:*:*:*:*:*:* |
| skype_technologies | skype | 2.0 | cpe:2.3:a:skype_technologies:skype:2.0:*:*:*:*:*:*:* |
| skype_technologies | skype | 2.0.104 | cpe:2.3:a:skype_technologies:skype:2.0.104:*:*:*:*:*:*:* |
| skype_technologies | skype | 2.0.105 | cpe:2.3:a:skype_technologies:skype:2.0.105:*:*:*:*:*:*:* |
| skype_technologies | skype | 2.5 | cpe:2.3:a:skype_technologies:skype:2.5:*:*:*:*:*:*:* |
| skype_technologies | skype | 2.5.78 | cpe:2.3:a:skype_technologies:skype:2.5.78:*:*:*:*:*:*:* |
| skype_technologies | skype | 2.5.79 | cpe:2.3:a:skype_technologies:skype:2.5.79:*:*:*:*:*:*:* |