CVE-2019-1129Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability

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.

7.8 HIGHEPSS 1.78%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 02:27 UTC

OverviewCVSS details

7.8HIGHCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Jul 15, 2019
Assigner: microsoft

Affected

Windows (Microsoft)

Versions: 10 Version 1703 for 32-bit Systems · 10 Version 1703 for x64-based Systems

+5 more products →

Exploitation

Public exploit: None listed
CISA KEV: Listed · Mar 15, 2022
KEV due date: Apr 5, 2022
Ransomware use: Known
SSVC: Exploitation active · Automatable no · Impact total

EPSS · FIRST, scored Nov 7

1.78%chance of exploitation in 30 days

Higher than 78.40% of CVEs

CVSS 3.1 · NVD

7.8High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack vector: Local
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

7.2High

AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack vector: Local
Attack complexity: Low
Authentication: None
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
7.8	HIGH	3.1NVD	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2	HIGH	2.0NVD	AV:L/AC:L/Au:N/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due Apr 5, 2022

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Details

CVE ID: CVE-2019-1129
Status: Analyzed
Assigner (CNA): microsoft
Published: Jul 15, 2019
Last modified: 2026-06-17 02:27 UTC
Weaknesses: CWE-59

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 12:45 UTC.