CVE-2019-0841

Published: Apr 9, 2019Modified: Oct 29, 2025CISA KEV

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: NVD

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-2019-0730, CVE-2019-0731, CVE-2019-0796, CVE-2019-0805, CVE-2019-0836.

Affected (6)

Products: Microsoft: Windows 10 1703, Windows 10 1709, Windows 10 1803, Windows 10 1809, Windows Server 2016, Windows Server 2019

6 products

Windows 10 1703

Windows 10 1709

Windows 10 1803

Windows 10 1809

Windows Server 2016

Windows Server 2019

Configuration A

6 vulnerable

Vulnerable Software	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

Related CWEs

Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (17)

http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html

Source: secure@microsoft.com

Third Party AdvisoryVDB Entry

http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html

Source: secure@microsoft.com

Third Party AdvisoryVDB Entry

http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html

Source: secure@microsoft.com

Third Party AdvisoryVDB Entry

http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html

Source: secure@microsoft.com

Third Party AdvisoryVDB Entry

http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html

Source: secure@microsoft.com

ExploitThird Party AdvisoryVDB Entry

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841

Source: secure@microsoft.com

PatchVendor Advisory

https://www.exploit-db.com/exploits/46683/

Source: secure@microsoft.com

ExploitThird Party AdvisoryVDB Entry

https://www.zerodayinitiative.com/advisories/ZDI-19-360/

Source: secure@microsoft.com

Third Party AdvisoryVDB Entry

http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party AdvisoryVDB Entry

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://www.exploit-db.com/exploits/46683/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party AdvisoryVDB Entry

https://www.zerodayinitiative.com/advisories/ZDI-19-360/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0841

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

Timeline

No history available yet.