CVE-2019-1069
Published: March 15, 2022
Official Description
A privilege escalation vulnerability exists in the way the Task Scheduler Service validates certain file operations.
CISA KEV Advisory
Microsoft Task Scheduler Privilege Escalation Vulnerability
A privilege escalation vulnerability exists in the way the Task Scheduler Service validates certain file operations.
Apply updates per vendor instructions.
Risk Analysis
This privilege escalation vulnerability exists in the Task Scheduler Service due to improper validation of certain file operations. Its presence in the KEV catalog and an EPSS score of 0.30456 indicate a high likelihood of exploitation, making it an urgent concern for Windows systems.
This vulnerability is actively exploited in the wild, as confirmed by its presence in the KEV catalog. Attackers are leveraging this flaw to escalate privileges.
Apply the latest security updates from Microsoft to address the vulnerability in the Task Scheduler Service. Ensure all Windows systems are regularly patched to prevent privilege escalation.
Technical Analysis
CVE-2019-1069 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2019-1069 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-1069 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1