Windows Virtual Trusted Platform Module Denial of Service Vulnerability
Conclusion & alert: CVE-2025-21280 is rated Low Risk (35.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.18%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2026-02-24 | 0.11% | 0.18% | +0.06% |
| 2 | 2026-02-22 | 0.20% | 0.11% | -0.09% |
| 3 | 2025-12-28 | — | 0.20% | — |
Full EPSS history (11 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_10_1507 | < 10.0.10240.20890 | cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:* |
| microsoft | windows_10_1507 | < 10.0.10240.20890 | cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:* |
| microsoft | windows_10_1607 | < 10.0.14393.7699 | cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* |
| microsoft | windows_10_1607 | < 10.0.14393.7699 | cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* |
| microsoft | windows_10_1809 | < 10.0.17763.6775 | cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* |
| microsoft | windows_10_1809 | < 10.0.17763.6775 | cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* |
| microsoft | windows_10_21h2 | < 10.0.19044.5371 | cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* |
| microsoft | windows_10_22h2 | < 10.0.19045.5371 | cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* |
| microsoft | windows_11_22h2 | < 10.0.22621.4751 | cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* |
| microsoft | windows_11_23h2 | < 10.0.22631.4751 | cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* |
| microsoft | windows_11_24h2 | < 10.0.26100.2894 | cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2016 | < 10.0.14393.7699 | cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2019 | < 10.0.17763.6775 | cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2022 | < 10.0.20348.3091 | cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.1369 | cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2025 | < 10.0.26100.2894 | cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* |
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21280 | Patch Vendor Advisory |