high7.8Known exploitedPublic exploit code
CVE-2019-0841
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-03-15. Federal due date: 2022-04-05.
Apply updates per vendor instructions.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Microsoft Windows 10 < build 17763 - AppXSvc Hard Link Privilege Escalation (Metasploit)2019-07-16 · local · windows · Verified
- Microsoft Windows - AppX Deployment Service Local Privilege Escalation (3)2019-06-07 · local · windows
- Microsoft Windows - AppX Deployment Service Local Privilege Escalation (2)2019-05-23 · local · windows
- Microsoft Windows - AppX Deployment Service Privilege Escalation2019-04-09 · local · windows
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 1703 | All versions |
| Microsoft | Windows 10 1709 | All versions |
| Microsoft | Windows 10 1803 | All versions |
| Microsoft | Windows 10 1809 | All versions |
| Microsoft | Windows Server 2016 | Version 1803 |
| Microsoft | Windows Server 2019 | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html
- http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html
- http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html
- http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html
- http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841
- https://www.exploit-db.com/exploits/46683/
- https://www.zerodayinitiative.com/advisories/ZDI-19-360/
- http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html
- http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html
- http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html
- http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html
- http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841
- https://www.exploit-db.com/exploits/46683/
- https://www.zerodayinitiative.com/advisories/ZDI-19-360/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0841