Microsoft Crypto API 5.131.2600.2180 through 6.0, as used in Outlook, Windows Live Mail, and Office 2007, performs Certificate Revocation List (CRL) checks by using an arbitrary URL from a certificate embedded in a (1) S/MIME e-mail message or (2) signed document, which allows remote attackers to obtain reading times and IP addresses of recipients, and port-scan results, via a crafted certificate with an Authority Information Access (AIA) extension.
Conclusion & alert: CVE-2008-3068 is rated High Risk (65.2/100): CVSS High severity, with high exploitation likelihood (EPSS 12.63%, 94th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.39% 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 | 2025-09-02 | 10.25% | 12.63% | +2.39% |
| 2 | 2025-03-30 | 16.51% | 10.25% | -6.26% |
| 3 | 2025-03-29 | — | 16.51% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | access | 2007 | cpe:2.3:a:microsoft:access:2007:*:*:*:*:*:*:* |
| microsoft | excel | 2003 | cpe:2.3:a:microsoft:excel:2003:*:*:*:*:*:*:* |
| microsoft | excel | 2007 | cpe:2.3:a:microsoft:excel:2007:*:*:*:*:*:*:* |
| microsoft | frontpage | 2003 | cpe:2.3:a:microsoft:frontpage:2003:*:*:*:*:*:*:* |
| microsoft | groove | 2007 | cpe:2.3:a:microsoft:groove:2007:*:*:*:*:*:*:* |
| microsoft | infopath | 2003 | cpe:2.3:a:microsoft:infopath:2003:*:*:*:*:*:*:* |
| microsoft | infopath | 2007 | cpe:2.3:a:microsoft:infopath:2007:*:*:*:*:*:*:* |
| microsoft | office | 2007 | cpe:2.3:a:microsoft:office:2007:*:*:*:*:*:*:* |
| microsoft | office | 2007 | cpe:2.3:a:microsoft:office:2007:sp1:*:*:*:*:*:* |
| microsoft | office_communicator | 2007 | cpe:2.3:a:microsoft:office_communicator:2007:*:*:*:*:*:*:* |
| microsoft | onenote | 2003 | cpe:2.3:a:microsoft:onenote:2003:*:*:*:*:*:*:* |
| microsoft | outlook | 2003 | cpe:2.3:a:microsoft:outlook:2003:*:*:*:*:*:*:* |
| microsoft | outlook | 2007 | cpe:2.3:a:microsoft:outlook:2007:*:*:*:*:*:*:* |
| microsoft | powerpoint | 2003 | cpe:2.3:a:microsoft:powerpoint:2003:*:*:*:*:*:*:* |
| microsoft | powerpoint | 2007 | cpe:2.3:a:microsoft:powerpoint:2007:*:*:*:*:*:*:* |
| microsoft | project_professional | 2007 | cpe:2.3:a:microsoft:project_professional:2007:*:*:*:*:*:*:* |
| microsoft | project_standard | 2007 | cpe:2.3:a:microsoft:project_standard:2007:*:*:*:*:*:*:* |
| microsoft | publisher | 2003 | cpe:2.3:a:microsoft:publisher:2003:*:*:*:*:*:*:* |
| microsoft | publisher | 2007 | cpe:2.3:a:microsoft:publisher:2007:*:*:*:*:*:*:* |
| microsoft | sharepoint_designer | 2007 | cpe:2.3:a:microsoft:sharepoint_designer:2007:*:*:*:*:*:*:* |
| microsoft | visio_professional | 2007 | cpe:2.3:a:microsoft:visio_professional:2007:*:*:*:*:*:*:* |
| microsoft | visio_standard | 2007 | cpe:2.3:a:microsoft:visio_standard:2007:*:*:*:*:*:*:* |
| microsoft | windows_live_mail | 2008 | cpe:2.3:a:microsoft:windows_live_mail:2008:*:*:*:*:*:*:* |