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CVE-2019-0841Microsoft 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-2019-0730, CVE-2019-0731, CVE-2019-0796, CVE-2019-0805, CVE-2019-0836.
7.8 HIGHEPSS 41.40%⚡ Known Exploited (CISA KEV)NVD: Analyzed
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
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2019-0841
- Status
- Analyzed
- Assigner (CNA)
- microsoft
- Published
- Apr 9, 2019
- Last modified
- 2026-06-17 02:09 UTC
- Weaknesses
Affected Products
As published by the CNA in the CVE record.
MicrosoftWindows11 version ranges
- 10 Version 1703 for 32-bit Systems
- 10 Version 1703 for x64-based Systems
- 10 Version 1709 for 32-bit Systems
- 10 Version 1709 for x64-based Systems
- 10 Version 1803 for 32-bit Systems
- 10 Version 1803 for x64-based Systems
- 10 Version 1803 for ARM64-based Systems
- 10 Version 1809 for 32-bit Systems
- 10 Version 1809 for x64-based Systems
- 10 Version 1809 for ARM64-based Systems
- 10 Version 1709 for ARM64-based Systems
MicrosoftWindows Server4 version ranges
- version 1709 (Core Installation)
- version 1803 (Core Installation)
- 2019
- 2019 (Core installation)
References
- packetstormsecurity.com http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html
- packetstormsecurity.com http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html
- packetstormsecurity.com http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html
- packetstormsecurity.com http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html
- packetstormsecurity.com http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html
- portal.msrc.microsoft.com https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841
- exploit-db.com https://www.exploit-db.com/exploits/46683/
- zerodayinitiative.com https://www.zerodayinitiative.com/advisories/ZDI-19-360/
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0841