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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since March 15, 2022.

Known ransomware use

CVE-2019-1253

Microsoft Windows AppX Deployment Server Privilege Escalation Vulnerability

Microsoft · Windows

Added to KEV March 15, 2022

Alert details

Source feed
CISA KEV
CVE ID
CVE-2019-1253
CWE
CWE-59
Affected products
Windows · Microsoft Windows · Microsoft

What happened

A privilege escalation vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.

What it means for your business

Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2019-1253). A privilege escalation vulnerability exists when the Windows AppX Deployment Server improperly handles junctions. CISA remediation due date: 2022-04-05. If you need help checking exposure, call (864) 335-9223.

Required action

Apply updates per vendor instructions.

CISA due date: April 5, 2022

Sources

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