CVE-2019-1069
Microsoft Windows 10 Version 1703, Microsoft Windows 10 Version 1803, Microsoft Windows Server, version 1803 (Server Core Installation)
Published 12 Jun 2019 · updated 12 Aug 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 15 Mar 2022, with a remediation deadline of 5 Apr 2022 for US federal agencies. It has been used in ransomware campaigns.
Required action: Apply updates per vendor instructions.
Description
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.
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1069 · Patch, Vendor Advisory
- blog.0patch.com/2019/06/another-task-scheduler-0day-another.html · Exploit, Third Party Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1069 · Patch, Vendor Advisory
- www.kb.cert.org/vuls/id/119704 · Third Party Advisory, US Government Resource
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1069 · US Government Resource