Vulnerability Intelligence Report
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability
CVE-2019-1129
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-2019-1130.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:1.80%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-59 ↗CWE-59 Improper Link Resolution Before File Access ('Link Following')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Windows | 10 Version 1703 for 32-bit Systems (affected), 10 Version 1703 for x64-based Systems (affected), 10 Version 1709 for 32-bit Systems (affected), 10 Version 1709 for x64-based Systems (affected), 10 Version 1803 for 32-bit Systems (affected), 10 Version 1803 for x64-based Systems (affected), 10 Version 1803 for ARM64-based Systems (affected), 10 Version 1809 for 32-bit Systems (affected), 10 Version 1809 for x64-based Systems (affected), 10 Version 1809 for ARM64-based Systems (affected), 10 Version 1709 for ARM64-based Systems (affected) |
| Microsoft | Windows Server | version 1803 (Core Installation) (affected), 2019 (affected), 2019 (Core installation) (affected) |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | unspecified (affected) |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | unspecified (affected) |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | unspecified (affected) |
| Microsoft | Windows Server, version 1903 (Server Core installation) | unspecified (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2018-11-26T00:00:00 |
| Published | 2019-07-29T14:13:14 |
| Last Updated | 2025-10-21T23:45:32 |
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