Azure Service Connector Security Feature Bypass Vulnerability
Conclusion & alert: CVE-2023-28300 is rated Moderate Risk (48.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.98%). Mandatory action: Review affected assets and schedule 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 | 2026-06-15 | 2.85% | 0.98% | -1.87% |
| 2 | 2026-04-20 | 2.32% | 2.85% | +0.53% |
| 3 | 2026-04-18 | — | 2.32% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
1.6 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | azure_service_connector | < 0.3.0 | cpe:2.3:a:microsoft:azure_service_connector:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28300 | Patch Vendor Advisory |