7.8High KEV Used in ransomware

CVE-2019-1129Microsoft Windows AppX Deployment Service (AppXSVC) 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: (7 years ago)

Known exploited — Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability

CISA confirmed this vulnerability is used in real attacks on 15.03.2022. Remediation deadline for US federal agencies: 05.04.2022.

Required action: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-1129

Description

An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1130.

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 1703 for 32-bit Systems, 10 Version 1703 for x64-based Systems, 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 1703 —
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 1803 —
microsoft windows server 1903 —
microsoft windows server 2019 —
Microsoft Windows Server, version 1903 (Server Core installation) unspecified

References and patches

CPE matches (NVD) (17)

  • cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_server_1803:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_server_1903:-:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*