CVE-2019-1385
Microsoft Windows AppX Deployment Extensions Privilege Escalation Vulnerability
Microsoft WindowsOperating systems
CVSS
7.8HighExploit odds (EPSS)3.60%Chance of exploitation activity in the next 30 days, higher than 89% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
Description
A privilege escalation vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.
Text from CVE List
Affected versions 16
- Windowsaffected: 10 Version 1709 for 32-bit SystemsCVE List
- Windowsaffected: 10 Version 1709 for x64-based SystemsCVE List
- Windowsaffected: 10 Version 1803 for 32-bit SystemsCVE List
- Windowsaffected: 10 Version 1803 for x64-based SystemsCVE List
- Windowsaffected: 10 Version 1803 for ARM64-based SystemsCVE List
- Windowsaffected: 10 Version 1809 for 32-bit SystemsCVE List
- Windowsaffected: 10 Version 1809 for x64-based SystemsCVE List
- Windowsaffected: 10 Version 1809 for ARM64-based SystemsCVE List
- Windowsaffected: 10 Version 1709 for ARM64-based SystemsCVE List
- Windows Serveraffected: version 1803 (Core Installation)CVE List
- Windows Serveraffected: 2019CVE List
- Windows Serveraffected: 2019 (Core installation)CVE List
- Windows 10 Version 1903 for 32-bit Systemsaffected: unspecifiedCVE List
- Windows 10 Version 1903 for x64-based Systemsaffected: unspecifiedCVE List
- Windows 10 Version 1903 for ARM64-based Systemsaffected: unspecifiedCVE List
- Windows Server, version 1903 (Server Core installation)affected: unspecifiedCVE List
References 4
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1385Advisoryvia CVE List
- zerodayinitiative.com/advisories/ZDI-19-979/Advisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2019-1385Referencevia CISA KEV
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1385Referencevia CVE List