Jun 2019: Task Scheduler Elevation of Privilege Vulnerability
CVE-2019-1069 Published on June 12, 2019

Task Scheduler Elevation of Privilege Vulnerability
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.

Vendor Advisory NVD

Known Exploited Vulnerability

This Microsoft Task Scheduler Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. A privilege escalation vulnerability exists in the way the Task Scheduler Service validates certain file operations.

The following remediation steps are recommended / required by April 5, 2022: Apply updates per vendor instructions.

Weakness Type

What is an insecure temporary file Vulnerability?

The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

CVE-2019-1069 has been classified to as an insecure temporary file vulnerability or weakness.


Products Associated with CVE-2019-1069

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Microsoft Windows 10
 
Microsoft Windows Server 2016
 
Microsoft Windows Server 2019
 
Microsoft Windows Server 1803
 
Microsoft Windows 10 1703
 
Microsoft Windows 10 1709
 
Microsoft Windows 10 1803
 
Microsoft Windows 10 1507
 
Microsoft Windows 10 1903
 
Microsoft Windows Server 1903
 

Affected Versions

Microsoft Windows 10 Version 1703: Microsoft Windows 10 Version 1803: Microsoft Windows Server, version 1803 (Server Core Installation): Microsoft Windows 10 Version 1809: Microsoft Windows 10 Version 1809: Microsoft Windows Server 2019: Microsoft Windows Server 2019 (Server Core installation): Microsoft Windows 10 Version 1709 for 32-bit Systems: Microsoft Windows 10 Version 1709: Microsoft Windows 10 Version 1903 for 32-bit Systems: Microsoft Windows 10 Version 1903 for x64-based Systems: Microsoft Windows 10 Version 1903 for ARM64-based Systems: Microsoft Windows Server, version 1903 (Server Core installation): Microsoft Windows 10 Version 1507: Microsoft Windows 10 Version 1607: Microsoft Windows Server 2016: Microsoft Windows Server 2016 (Server Core installation): microsoft windows_10: microsoft windows_10: microsoft windows_10: microsoft windows_10: microsoft windows_server_2016: microsoft windows_server_2016: microsoft windows_server_2019:

Exploit Probability

EPSS
30.46%
Percentile
96.59%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.