High [CVE-2019-1069] Task Scheduler Elevation of Privilege Vulnerability
This high-severity Microsoft Server advisory covers CVE-2019-1069 affecting Windows Server, version 1803 (Server Core Installation), Windows Server 2019 (Server Core installation), Windows Server, version 1903 (Server Core installation).
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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 vulnerability, an attacker would require unprivileged code execution on a victim system. The security update addresses the vulnerability by correctly validating file operations.
Affected products named by the advisory: Windows Server, version 1803 (Server Core Installation); Windows Server 2019; Windows Server 2019 (Server Core installation); Windows Server, version 1903 (Server Core installation); and 4 more.
Affected products named by the advisory: Windows Server 2016 (Server Core installation); windows_server_2016.
CISA Known Exploited Vulnerability
- Listed:
- Mar 15, 2022 · federal remediation due Apr 5, 2022
- Required action:
- Apply updates per vendor instructions.
- Ransomware use:
- Known
KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.
- Windows 10 Version 1703 10.0.0 before publication
- Windows 10 Version 1803 10.0.0 before publication
- Windows Server, version 1803 (Server Core Installation) 10.0.0 before publication
- Windows 10 Version 1809 10.0.17763.0 before publication
- Windows 10 Version 1809 10.0.0 before publication
- Windows Server 2019 10.0.17763.0 before publication
- Windows Server 2019 (Server Core installation) 10.0.17763.0 before publication
- Windows 10 Version 1709 for 32-bit Systems 10.0.0 before publication
- Windows 10 Version 1709 10.0.0 before publication
- Windows 10 Version 1903 for 32-bit Systems 10.0.0 before publication
- Windows 10 Version 1903 for x64-based Systems 10.0.0 before publication
- Windows 10 Version 1903 for ARM64-based Systems 10.0.0 before publication
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
- publication
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- The security update addresses the vulnerability by correctly validating file operations.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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