Hevc Video Extensions
by Microsoft
Standard maintenance is sufficient
Hevc Video Extensions 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
3.1%
Confirmed actively exploited (CISA)
0.0%
Public exploit code available
0.0%
Based on 32 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-2021-33778 | 7.8 | 10.0% | — |
| CVE-2020-17107 | 7.8 | 9.7% | — |
| CVE-2020-17108 | 7.8 | 9.7% | — |
| CVE-2020-17106 | 7.8 | 9.7% | — |
| CVE-2020-17110 | 7.8 | 9.7% | — |
| CVE-2020-17109 | 7.8 | 9.5% | — |
| CVE-2021-31947 | 7.8 | 9.3% | — |
| CVE-2021-1644 | 7.8 | 8.2% | — |
| CVE-2021-1643 | 7.8 | 8.2% | — |
| CVE-2021-40453 | 7.8 | 4.6% | — |
| CVE-2021-40452 | 7.8 | 3.6% | — |
| CVE-2022-22018 | 7.8 | 3.4% | — |
| CVE-2022-29119 | 7.8 | 3.4% | — |
| CVE-2021-33775 | 7.8 | 3.1% | — |
| CVE-2021-33776 | 7.8 | 3.1% | — |
| CVE-2021-33777 | 7.8 | 3.1% | — |
| CVE-2022-30188 | 7.8 | 3.0% | — |
| CVE-2022-21917 | 7.8 | 2.8% | — |
| CVE-2022-29111 | 7.8 | 2.6% | — |
| CVE-2022-22006 | 7.8 | 2.4% | — |
1
/ 100
low-risk
Active Threat
1/50 · Minimal
Exploit Availability
0/50 · Minimal
Score uses Wilson score intervals to account for sample size. Products with few CVEs are scored conservatively.