Microsoft Windows AppX Deployment Service Privilege Escalation Vulnerability

HIGH 7.8EXPLOITED (CISA KEV)CVE-2019-1130 · Published 15/07/2019 · updated 12/08/2026

Microsoft Windows AppX Deployment Service Privilege Escalation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 23/05/2022. Patch affected systems as an emergency. It is known to be used in ransomware campaigns.

Package	Affected versions	Patched versions
Windows Microsoft	Versions not published yet (product named by CISA KEV)

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.

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1130 · Patch
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2019-1130

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