[ CVE-2019-1130 · Published 15 Jul 2019 ]

Microsoft Windows AppX Deployment Service Privilege Escalation Vulnerability

Exploited · CISA KEV CVSS 7.8 EPSS 2%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-05-23
  • Known to be used in ransomware campaigns

[ Description ]Official 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-2019-1129.

CISA: A privilege escalation vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 13 Jun 2022): Apply updates per vendor instructions.