7.8
High
CVE-2019-1129 Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Known to be used
Weakness
CWE-59
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-2019-1130.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows | Versions not published | |
| Windows Server | 2019 | No fix stated |
| Windows 10 Version 1903 for 32-bit Systems | Versions not published | |
| Windows 10 Version 1903 for x64-based Systems | Versions not published | |
| Windows 10 Version 1903 for ARM64-based Systems | Versions not published | |
| Windows Server, version 1903 (Server Core installation) | Versions not published |
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