CVE-2019-1064
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could then install programs.
view, change or delete data. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The security update addresses the vulnerability by correcting how Windows AppX Deployment Service handles hard links.
HIGH · CVSS 7.8
⚠ CISA KEV
EPSS 0.11822
Ransomware: known
Act now
- Listed on CISA KEV (known exploited in the wild)
- Linked to known ransomware campaigns
- SSVC exploitation status: active
- EPSS ≥ 0.10 - elevated exploitation probability
- EPSS percentile: top 6% of all CVEs by exploitation likelihood
- CVSS base score ≥ 7.0
Sigma rules0
YARA rules0