CVE-2021-43890: Microsoft Windows AppX Installer Spoofing Vulnerability.
Microsoft Windows AppX Installer Spoofing Vulnerability. Microsoft Windows AppX Installer contains a spoofing vulnerability which has a high impacts to confidentiality, integrity, and availability.
- CISA KEV-listed (remediation due 2021-12-29)
- used in ransomware campaigns
- EPSS 25.2% (96.3% percentile)