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Not yet scored Actively exploited Used in ransomware

CVE-2021-43890

Microsoft Windows AppX Installer Spoofing Vulnerability

Description

Microsoft Windows AppX Installer contains a spoofing vulnerability which has a high impacts to confidentiality, integrity, and availability.

Recommended action

Apply updates per vendor instructions.

CISA remediation due date for U.S. federal agencies: 29 Dec 2021.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.