UnratedMicrosoft Server Exploited CISA KEV

Unknown [CVE-2019-1129 +1] Windows Server: elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of Privilege Vulnerability'

This security Microsoft Server advisory covers CVE-2019-1129 and CVE-2019-1130 affecting Windows Server, version 1903 (Server Core installation).

CVE-2019-1130 Published Jul 29, 2019Updated by vendor Aug 12, 2026

CVE-2019-1129 CVE-2019-1130

Affected products & platforms

Microsoft ServerWindows Server

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Summary

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.

Affected products named by the advisory: Windows Server; Windows Server, version 1903 (Server Core installation).

CISA Known Exploited Vulnerability

Listed:: Mar 15, 2022 · federal remediation due Apr 5, 2022
Required action:: Apply updates per vendor instructions.
Ransomware use:: Known

KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.

Affected versions

Windows Server 2012
Windows Server 2012 (Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Core installation)
Windows Server 2016
Windows Server 2016 (Core installation)
Windows Server version 1803 (Core Installation)
Windows Server 2019
Windows Server 2019 (Core installation)
Windows 8.1 for x64-based systems
Windows RT 8.1
Windows 10 for 32-bit Systems

Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Microsoft Server
CVE.org CNA recordCVE.org
Independent CNA record used for near-real-time discovery and missed-CVE reconciliation. Discovered from the machine-readable feed https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/delta.json; this link opens the CVE.org record for CVE-2019-1129 instead of the raw feed document.
CVE Program

Cross-references

Validate CVE metadata against the authoritative registries.

Official resources

MSRC Security Update Guide
Official documentation
Filter by this CVE for per-product KB numbers, severity and exploitability assessment.

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