CVEvulnerability
CVE-2019-1069
CISA Known Exploited Vulnerability
Microsoft Task Scheduler Privilege Escalation Vulnerability — Microsoft Task Scheduler
A privilege escalation vulnerability exists in the way the Task Scheduler Service validates certain file operations.
- Added to KEV
- 2022-03-15
- Remediation due
- 2022-04-05
- Ransomware use
- Known
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2019-1069
- Status
- Analyzed
- Published
- 2019-06-12
- Last modified
- 2026-08-12
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-59
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.
Affected configurations
• microsoft windows 10 1507
• microsoft windows 10 1607
• microsoft windows 10 1703
• microsoft windows 10 1709
• microsoft windows 10 1803
• microsoft windows 10 1809
• microsoft windows 10 1903
• microsoft windows server 1803
• microsoft windows server 1903
• microsoft windows server 2016
• microsoft windows server 2019
Related
Weakness · CWE (1)
- CWE-59 Improper Link Resolution Before File Access weakness
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1069 Patch, Vendor Advisory
- https://blog.0patch.com/2019/06/another-task-scheduler-0day-another.html Exploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1069 Patch, Vendor Advisory
- https://www.kb.cert.org/vuls/id/119704 Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1069 US Government Resource