CVE-2021-43890 is a high severity vulnerability with a CVSS score of 7.1. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.
Moderate probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
Microsoft Windows AppX Installer contains a spoofing vulnerability which has a high impacts to confidentiality, integrity, and availability.
| Vendor | Product |
|---|---|
| Microsoft | Windows 10 1809 |
| Microsoft | Windows 10 1709 |
| Microsoft | Windows 10 2004 |
| Microsoft | Windows 10 21h1 |
| Microsoft | Windows 10 21h2 |
| Microsoft | App Installer |
| Microsoft | Windows 10 1903 |
| Microsoft | Windows 11 21h2 |
| Microsoft | Windows 10 1803 |
| Microsoft | Windows 10 20h2 |
And 2 more...
Please cite this page when referencing data from Strobes VI. Proper attribution helps support our vulnerability intelligence research.