PULSEUnderground Intel

LIVE20signals / 24h

FEED

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CVE Watch—

CVE-2019-1253

Microsoft Windows AppX Deployment Server Privilege Escalation Vulnerability

CVSS

—

No CVSS

EPSS

11.6%

p96

KEV

YES

Mar 15, 2022

Exploit Today

79

0-100

Published: — · Last modified: —

EPSS · 30d

11.6%EPSS · 30 days11.6%

2026-09-162026-10-14

KEV catalog record

Product

Microsoft / Windows

Vulnerability

Microsoft Windows AppX Deployment Server 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 the Windows AppX Deployment Server improperly handles junctions.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2019-1253

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