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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2019-0841 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 3.x Severity and Vector Strings:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

ADP:  CISA-ADP
Base Score:  7.8 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://packetstormsecurity.com/files/152463/Microsoft-Windows-AppX-Deployment-Service-Privilege-Escalation.html CVE, Microsoft Corporation Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/153009/Internet-Explorer-JavaScript-Privilege-Escalation.html CVE, Microsoft Corporation Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/153114/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html CVE, Microsoft Corporation Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/153215/Microsoft-Windows-AppX-Deployment-Service-Local-Privilege-Escalation.html CVE, Microsoft Corporation Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/153642/AppXSvc-Hard-Link-Privilege-Escalation.html CVE, Microsoft Corporation Exploit  Third Party Advisory  VDB Entry 
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0841 CVE, Microsoft Corporation Patch  Vendor Advisory 
https://www.exploit-db.com/exploits/46683/ CVE, Microsoft Corporation Exploit  Third Party Advisory  VDB Entry 
https://www.zerodayinitiative.com/advisories/ZDI-19-360/ CVE, Microsoft Corporation Third Party Advisory  VDB Entry 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability 03/15/2022 04/05/2022 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-59 Improper Link Resolution Before File Access ('Link Following') cwe source acceptance level NIST   CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:microsoft:windows_10_1703:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_10_1709:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
   Show Matching CPE(s)
 cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

14 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-0841
NVD Published Date:
04/09/2019
NVD Last Modified:
04/04/2025
Source:
Microsoft Corporation