Risk Letters

Exploited vulnerability

CVE-2019-1130

TLP:CLEAR

Microsoft Windows AppX Deployment Service Privilege Escalation Vulnerability

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

Facts

  • Vendor: Microsoft
  • Product: Windows
  • CVSS: 7.8
  • EPSS (probability of exploitation within 30 days): 1.7 %
  • On CISA's Known Exploited Vulnerabilities list since: 23 May 2022
  • First known exploitation: 23 May 2022
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 13 June 2022
  • Weakness: CWE-59
  • First seen by Risk Letters: 23 May 2022

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD