ACTIVELY EXPLOITED

CVE-2019-1385: Microsoft Windows AppX Deployment Extensions Privilege Escalation Vulnerability

Facts
VendorMicrosoft
ProductWindows
Actively exploitedYes
Added to CISA KEV23 May 2022
CISA federal deadline13 Jun 2022
Ransomware useKnown
Weakness (CWE)CWE-59

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

A privilege escalation vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.

SOURCES

Other Microsoft flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.