Actively exploited in the wild
Microsoft Task Scheduler Privilege Escalation Vulnerability
Microsoft - Task Scheduler · Listed in the CISA KEV since 2022-03-15. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2019-1069
HighCVSS 7.8KEVExploitation Probability (EPSS)
Very high risk93th percentile - higher than 93% of all known CVEs
Summary
An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system. To exploit, the attacker would require unprivileged code execution on the victim system.
Risk Assessment
Privilege escalation on the victim system.
Recommendation
Install Windows security updates.
Original NVD description (English source)
An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system. To exploit the vulnerability, an attacker would require unprivileged code execution on a victim system. The security update addresses the vulnerability by correctly validating file operations.