CVE

CVE-2021-43890

P1⬤ KNOWN RANSOMWARE USE

Microsoft Windows AppX Installer Spoofing Vulnerability

Microsoft · Windows

Date added (CISA)

2021-12-15

Remediation due

2021-12-29

Known ransomware use

Yes

Remediation priority

P1 — known ransomware use · past CISA due date

ATT&CK mapping

No ATT&CK mapping yet

The CTID Mappings Explorer hasn't published an exploitation/impact technique mapping for this CVE yet.