SYSTEM privilege escalation via scheduled-task permissions
Published Jun 10, 2025 · Updated Feb 20, 2026
Improper privilege management in Windows Task Scheduler allows local users to gain SYSTEM privileges on affected Windows builds. The scheduler mishandles permissions, letting an unprivileged process interact with certain scheduled tasks under specific conditions; Microsoft has not disclosed the exact object or missing authorization check. Exploitation requires local code execution but no existing privileges or user interaction, and successful exploitation grants full SYSTEM control.
Summary
What happened
Improper privilege management in Windows Task Scheduler allows local users to gain SYSTEM privileges on affected Windows builds. The scheduler mishandles permissions, letting an unprivileged process interact with certain scheduled tasks under specific conditions; Microsoft has not disclosed the exact object or missing authorization check. Exploitation requires local code execution but no existing privileges or user interaction, and successful exploitation grants full SYSTEM control.
The record
- CVE
- CVE-2025-33067
- Published
- Jun 10, 2025
- Updated
- Feb 20, 2026
- Vendor
- Microsoft
- Product
- Windows 10 Version 1507
- Classifications
- CWE-269, T1068
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 10, 2025CVE publishedPublication date reported by the CVE source.
- Feb 20, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=10.0.10240.0 <10.0.10240.21034
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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