CVE-2019-1130
Improper Link Resolution Before File Access
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 High 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector: Local
The attacker needs local access to the system, or to trick a user into running something.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: Low
A basic user account is needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Local | The attacker needs local access to the system, or to trick a user into running something. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | Low | A basic user account is needed. |
| User interaction | None | No action from any user is needed. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | High | Serious or total effect on the trustworthiness of data. |
| Availability impact | High | Serious or total effect on availability. |
CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.
EPSS
- Score
- 0.01719 (1.7% probability)
- Percentile
- 77.7%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA Known Exploited Vulnerabilities
- Name in the catalog
- Microsoft Windows AppX Deployment Service Privilege Escalation Vulnerability
- Added to the catalog
- May 23, 2022
- Federal due date
- Jun 13, 2022
- Ransomware campaigns
- Known use
CISA assessment as of May 31, 2022
- Exploitation
- Recorded by CISA as active
- Automatable
- no
- Technical impact
- total
Weakness (CWE)
- CWE-59Improper Link Resolution Before File Access
Affected products
Microsoft Windows Server
- affected: 2012
- affected: 2012 (Core installation)
- affected: 2012 R2
- affected: 2012 R2 (Core installation)
- affected: 2016
- affected: 2016 (Core installation)
- affected: version 1803 (Core Installation)
- affected: 2019
- affected: 2019 (Core installation)
Microsoft Windows
- affected: 8.1 for x64-based systems
- affected: RT 8.1
- affected: 10 for 32-bit Systems
- affected: 10 for x64-based Systems
- affected: 10 Version 1607 for 32-bit Systems
- affected: 10 Version 1607 for x64-based Systems
- affected: 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
Microsoft Windows 10 Version 1903 for 32-bit Systems
- affected: unspecified
Microsoft Windows 10 Version 1903 for x64-based Systems
- affected: unspecified
Microsoft Windows 10 Version 1903 for ARM64-based Systems
- affected: unspecified
Microsoft Windows Server, version 1903 (Server Core installation)
- affected: unspecified
References
Timeline
- ID reserved
- Record published
- Added to CISA KEV
- Record last updated
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About CubePath
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:28 UTC. Sources and licenses