Applied Cybernetics Group
Threat intel → detection pipeline
Friday, September 18, 2026
Data as of 13:09 UTC

known ransomware use

Microsoft Windows Universal Plug and Play (UPnP) Service Privilege Escalation Vulnerability

Added to KEV
2022-03-15
Federal due date
2022-04-05
Vendor
Microsoft
Product
Windows
EPSS
98.1th percentile (score 0.299, as of 2026-09-16)
NVD CVSS v3.1
7.8 (HIGH)
Ransomware use
Known
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2019-1405

CISA short description

A privilege escalation vulnerability exists when the Windows UPnP service improperly allows COM object creation.

Required action

Apply updates per vendor instructions.

NVD description

An elevation of privilege vulnerability exists when the Windows Universal Plug and Play (UPnP) service improperly allows COM object creation, aka 'Windows UPnP Service Elevation of Privilege Vulnerability'.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.