Firetruck

CVE-2021-43890

KEV · Ransomware
Updated Aug 6, 2026 · PUBLISHED
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Description

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

Full record on cve.org →

Affected packages

PackageVendor / ProductVersion rangeStatus
App InstallerMicrosoft / App Installer>= 1.0.0.0, < publicationaffected