Exposure of sensitive information to an unauthorized actor in Storage Port Driver allows an authorized attacker to disclose information locally.
Conclusion & alert: CVE-2025-53156 is rated Moderate Risk (46.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.61%). 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 | 2026-05-18 | 0.45% | 0.61% | +0.16% |
| 2 | 2026-05-08 | 0.05% | 0.45% | +0.40% |
| 3 | 2025-09-13 | — | 0.05% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_11_24h2 | < 10.0.26100.4851 | cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.1791 | cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2025 | < 10.0.26100.4851 | cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53156 | Vendor Advisory |