Windows Task Scheduler Flaw Allows Attackers to Escalate Privileges

A critical elevation of privilege vulnerability has been identified in the Windows Task Scheduler service, tracked as CVE-2025-33067.

Officially published on June 10, 2025, by Microsoft as the assigning CNA (CVE Numbering Authority), this flaw allows attackers to potentially gain elevated privileges on affected systems, bypassing normal user restrictions and compromising the integrity of the operating system.

The vulnerability is classified as an “Important” severity issue under Microsoft’s rating system, but its real-world impact could be significant if exploited in targeted attacks.

The root cause of the vulnerability is attributed to CWE-269: Improper Privilege Management.

This weakness occurs when the software does not properly restrict, assign, or manage privileges, allowing attackers to perform actions outside their intended level of authority.

In the case of CVE-2025-33067, the flaw is present in the Windows Task Scheduler, a core component responsible for launching automated tasks at predefined ...