CVE-2019-1064
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability
Published Jun 12, 2019 · updated Jun 16, 2026 · microsoft windows 10 1607
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.
Timeline
Detection, updates, and resolution for this record.
Jun 12, 2019 · Catalog
Detected
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
Mar 15, 2022 · CISA KEV
Known exploited
Apply updates per vendor instructions.
Apr 5, 2022 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Jun 16, 2026 · Catalog
Updated
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
Required action
Apply updates per vendor instructions.
CISA due date Apr 5, 2022
Affected
- cpe microsoft/windows 10 1607version unspecified
- cpe microsoft/windows 10 1703version unspecified
- cpe microsoft/windows 10 1709version unspecified
- cpe microsoft/windows 10 1803version unspecified
- vendor Microsoft Windowsversion unspecified
Sources
- CISA KEVCVE-2019-1064
A privilege escalation vulnerability exists when Windows AppXSVC improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context.
cisa.gov - CVE.orgCVE-2019-1064
Official CVE identifier
cve.org - FIRST EPSSCVE-2019-1064
30-day exploitation probability 6.9%
first.org - NIST NVDCVE-2019-1064
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
nvd.nist.gov