known ransomware use

Microsoft Task Scheduler Privilege Escalation Vulnerability

Added to KEV
2022-03-15
Federal due date
2022-04-05
Vendor
Microsoft
Product
Task Scheduler
EPSS
97.0th percentile (score 0.325, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Known
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2019-1069

CISA short description

A privilege escalation vulnerability exists in the way the Task Scheduler Service validates certain file operations.

Required action

Apply updates per vendor instructions.

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.