Windows 10 21H2
by Microsoft
Standard maintenance is sufficient
Windows 10 21H2 has low exploitation rates. Attackers rarely target this software's known vulnerabilities.
What to do
- Keep automatic updates enabled
- No urgent action needed
- Review periodically as part of normal maintenance
What Attackers Target
Vulnerabilities with high exploit probability
8.5%
Confirmed actively exploited (CISA)
5.3%
Public exploit code available
0.0%
Based on 1783 known vulnerabilities. Percentages show the proportion that are actively dangerous — a low percentage means most vulnerabilities in this product are not being exploited.
Most Dangerous Vulnerabilities
| CVE | CVSS | Exploit Probability | Confirmed |
|---|---|---|---|
| CVE-2023-44487 | 7.5 | 94.4% | Yes |
| CVE-2021-34527 | 8.8 | 94.2% | Yes |
| CVE-2024-21412 | 8.1 | 93.8% | Yes |
| CVE-2022-30190 | 7.8 | 93.6% | Yes |
| CVE-2023-36884 | 7.5 | 93.2% | Yes |
| CVE-2024-38112 | 7.5 | 92.6% | Yes |
| CVE-2023-21554 | 9.8 | 91.9% | — |
| CVE-2022-26923 | 8.8 | 91.4% | Yes |
| CVE-2024-43451 | 6.5 | 90.3% | Yes |
| CVE-2023-36025 | 8.8 | 90.2% | Yes |
| CVE-2022-21882 | 7.0 | 90.1% | Yes |
| CVE-2024-38063 | 9.8 | 89.9% | — |
| CVE-2024-49113 | 7.5 | 88.6% | — |
| CVE-2022-21971 | 7.8 | 87.1% | Yes |
| CVE-2024-49138 | 7.8 | 85.8% | Yes |
| CVE-2024-30088 | 7.0 | 84.8% | Yes |
| CVE-2024-26229 | 7.8 | 83.2% | — |
| CVE-2025-21333 | 7.8 | 81.3% | Yes |
| CVE-2024-49112 | 9.8 | 80.7% | — |
| CVE-2024-38144 | 8.8 | 79.8% | — |
22
/ 100
low-risk
Active Threat
15/50 · Low
Exploit Availability
7/50 · Minimal
Score uses Wilson score intervals to account for sample size. Products with few CVEs are scored conservatively.