Windows Server 1909
by Microsoft
Immediate action recommended
Windows Server 1909 has critical exploitation rates across its known vulnerabilities.
What to do
- Check for patches and apply immediately
- Review whether this software can be replaced with a safer alternative
- Consult your IT provider about mitigation options
What Attackers Target
Vulnerabilities with high exploit probability
92.9%
Confirmed actively exploited (CISA)
100.0%
Public exploit code available
0.0%
Based on 14 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-2020-0796 | 10.0 | 94.4% | Yes |
| CVE-2020-1472 | 5.5 | 94.4% | Yes |
| CVE-2020-0601 | 8.1 | 94.1% | Yes |
| CVE-2021-1732 | 7.8 | 90.1% | Yes |
| CVE-2020-0938 | 7.8 | 87.0% | Yes |
| CVE-2020-1020 | 8.8 | 85.7% | Yes |
| CVE-2020-1054 | 7.8 | 80.9% | Yes |
| CVE-2020-0787 | 7.8 | 59.9% | Yes |
| CVE-2021-28310 | 7.8 | 54.0% | Yes |
| CVE-2020-0683 | 7.8 | 34.5% | Yes |
| CVE-2020-0986 | 7.8 | 14.4% | Yes |
| CVE-2020-1027 | 7.8 | 11.9% | Yes |
| CVE-2020-1464 | 7.8 | 10.8% | Yes |
| CVE-2020-0638 | 7.8 | 1.5% | Yes |
100
/ 100
critical-risk
Active Threat
50/50 · Critical
Exploit Availability
50/50 · Critical
Score uses Wilson score intervals to account for sample size. Products with few CVEs are scored conservatively.