Windows Kernel Elevation of Privilege Vulnerability
Conclusion & alert: CVE-2024-21371 is rated High Risk (66.4/100): CVSS High severity, with high exploitation likelihood (EPSS 10.88%, 95th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +9.98% 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 | 2026-06-15 | 0.91% | 10.88% | +9.98% |
| 2 | 2025-11-21 | 0.26% | 0.91% | +0.64% |
| 3 | 2025-11-18 | — | 0.26% | — |
Full EPSS history (17 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.0 | 3.1 | HIGH |
|
1.0 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_10_1507 | < 10.0.10240.20469 | cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:* |
| microsoft | windows_10_1607 | < 10.0.14393.6709 | cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* |
| microsoft | windows_10_1809 | < 10.0.17763.5458 | cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* |
| microsoft | windows_10_21h2 | < 10.0.19044.4046 | cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* |
| microsoft | windows_10_22h2 | < 10.0.19045.4046 | cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* |
| microsoft | windows_11_21h2 | < 10.0.22000.2777 | cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* |
| microsoft | windows_11_22h2 | < 10.0.22621.3155 | cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* |
| microsoft | windows_11_23h2 | < 10.0.22631.3155 | cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2012 | — | cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* |
| microsoft | windows_server_2012 | r2 | cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* |
| microsoft | windows_server_2016 | < 10.0.14393.6709 | cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2019 | < 10.0.17763.5458 | cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2022 | < 10.0.20348.2322 | cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.709 | cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21371 | Patch Vendor Advisory |