CVE-2019-0841

high

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.

References

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

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

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

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

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

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

https://www.tenable.com/blog/contileaks-chats-reveal-over-30-vulnerabilities-used-by-conti-ransomware-affiliates

https://www.tenable.com/blog/microsoft-s-july-2019-patch-tuesday-what-you-need-to-know

https://www.tenable.com/blog/tenable-roundup-for-microsofts-june-2019-patch-tuesday

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

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

Details

Source: Mitre, NVD

Published: 2019-04-09

Updated: 2025-04-04

Named Vulnerability: ByeBearKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.85917