CVE-2019-0841

An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC)...

7.8 HighIn KEVPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

41.4%Down 46.4 points since Apr 14, 2021

What each source reports

NVD Score used 7.8

Record: CVE-2019-0841
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-59
Updated: 2026-11-02

CVE List 7.8

Record: CVE-2019-0841
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-59
Updated: 2026-11-02

EUVDEUVD-2019-1592 7.8

Record: EUVD-2019-1592
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-wqq2-j7vf-7rw9 7.8

An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC)...

Record: GHSA-wqq2-j7vf-7rw9
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-59
Updated: 2026-11-02

CISA KEV No score

Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability

A privilege escalation vulnerability exists when Windows AppXSVC improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context.

Record: CVE-2019-0841
Weakness: CWE-59
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	rogue-kdc/CVE-2019-0841	2019-04-05
Exploit-DB	Microsoft Windows - AppX Deployment Service Privilege Escalation	2019-04-09
Metasploit	AppXSvc Hard Link Privilege Escalation	2019-04-09
PoC in GitHub	likekabin/CVE-2019-0841	2019-04-10
Exploit-DB	Microsoft Windows - AppX Deployment Service Local Privilege Escalation (2)	2019-05-23
Exploit-DB	Microsoft Windows - AppX Deployment Service Local Privilege Escalation (3)	2019-06-07
PoC in GitHub	0x00-0x00/CVE-2019-0841-BYPASS	2019-06-11
Exploit-DB	Microsoft Windows 10 < build 17763 - AppXSvc Hard Link Privilege Escalation (Metasploit)	2019-07-16
PoC in GitHub	mappl3/CVE-2019-0841	2022-04-09

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation, exploits
Nov 2, 2026	first indexed	CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-0841 is a high vulnerability (CVSS 7.8) in Microsoft Windows, published April 9, 2019. CISA lists it as known to be exploited, since March 15, 2022. EUVD reports exploitation since March 15, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 41.4%, the 98th percentile. No source names a fixed version.

References

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