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CVE Watch—

CVE-2019-0841

Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability

CVSS

—

No CVSS

EPSS

41.4%

p99

KEV

YES

Mar 15, 2022

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d
41.4%EPSS · 30 days41.4%
2026-08-032026-08-31
KEV catalog record

Product

Microsoft / Windows

Vulnerability

Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability

Added to KEV

Mar 15, 2022

Remediate by

Apr 5, 2022

Known ransomware use

Yes

Summary description

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.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2019-0841

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