CVE-2019-0841
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability
- Published
- Apr 9, 2019
- Updated
- Oct 21, 2025
- Assigning CNA
- microsoft
- Evidence observed
- Apr 9, 2019
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 98.7%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
8- CVE-2019-0841-BYPASSExploit
A fully automatic CVE-2019-0841 bypass targeting all versions of Edge in Windows 10.
Proof-of-concept exploit for CVE-2019-0841, a Windows privilege escalation vulnerability in the Windows Error Reporting (WER) service.
PoC code for CVE-2019-0841 Privilege Escalation vulnerability
Responsible use
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