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7.8High KEV Used in ransomware

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

Microsoft Windows; Microsoft Windows Server; Microsoft Windows 10 Version 1903 for 32-bit Systems; Microsoft Windows 10 Version 1903 for x64-based Systems Published: (6 years ago)

Known exploited — Microsoft Windows AppX Deployment Extensions Privilege Escalation Vulnerability

CISA confirmed this vulnerability is used in real attacks on 23.05.2022. Remediation deadline for US federal agencies: 13.06.2022.

Required action: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-1385

Description

An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.To exploit this vulnerability, an authenticated attacker would need to run a specially crafted application to elevate privileges.The security update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges., aka 'Windows AppX Deployment Extensions Elevation of Privilege Vulnerability'.

Weakness (CWE): CWE-59

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Microsoft Windows 10 Version 1709 for 32-bit Systems, 10 Version 1709 for x64-based Systems, 10 Version 1803 for 32-bit Systems, 10 Version 1803 for x64-based Systems, 10 Version 1803 for ARM64-based Systems, 10 Version 1809 for 32-bit Systems, 10 Version 1809 for x64-based Systems, 10 Version 1809 for ARM64-based Systems, 10 Version 1709 for ARM64-based Systems
microsoft windows 10 1709 —
microsoft windows 10 1803 —
microsoft windows 10 1809 —
microsoft windows 10 1903 —
Microsoft Windows 10 Version 1903 for 32-bit Systems unspecified
Microsoft Windows 10 Version 1903 for ARM64-based Systems unspecified
Microsoft Windows 10 Version 1903 for x64-based Systems unspecified
Microsoft Windows Server version 1803 (Core Installation), 2019, 2019 (Core installation)
microsoft windows server 2016 —
microsoft windows server 2019 —
Microsoft Windows Server, version 1903 (Server Core installation) unspecified

References and patches

CPE matches (NVD) (6)
  • cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

Recent CVEs in the same product — Windows 10

7.0High
CVE-2026-108135

Windows Backup Engine Elevation of Privilege Vulnerability

Microsoft Windows 10 Version 21H2; Microsoft Windows 10 Version 22H2; Microsoft Windows 11 version 23H2; Microsoft Windows 11 Version 23H2

Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.

6.5Medium
CVE-2026-108129

Role: DNS Server Information Disclosure Vulnerability

Microsoft Windows 10 Version 1607; Microsoft Windows 10 Version 1809; Microsoft Windows 10 Version 21H2; Microsoft Windows 10 Version 22H2

Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.

1.1%EPSS