SYSTEM code execution via unquoted service path
Published Jan 30, 2026 · Updated Jan 30, 2026
Unquoted service path handling in Drive Software Company Atomic Alarm Clock 6.3 allows local users to execute code with SYSTEM privileges. The AtomicAlarmClock service registers the LocalSystem timeserv.exe path as C:\Program Files\Atomic Alarm Clock\timeserv.exe without quotation marks, causing Windows to select C:\Program.exe first. Exploitation requires local access and permission to place Program.exe at the drive root; starting the auto-start service then provides persistent SYSTEM code execution.
Summary
What happened
Unquoted service path handling in Drive Software Company Atomic Alarm Clock 6.3 allows local users to execute code with SYSTEM privileges. The AtomicAlarmClock service registers the LocalSystem timeserv.exe path as C:\Program Files\Atomic Alarm Clock\timeserv.exe without quotation marks, causing Windows to select C:\Program.exe first. Exploitation requires local access and permission to place Program.exe at the drive root; starting the auto-start service then provides persistent SYSTEM code execution.
The record
- CVE
- CVE-2020-37060
- Published
- Jan 30, 2026
- Updated
- Jan 30, 2026
- Vendor
- Drive Software Company
- Product
- Atomic Alarm Clock
- Classifications
- CWE-428, T1574.009
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Jan 30, 2026CVE publishedPublication date reported by the CVE source.
- Jan 30, 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?
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- Affected versionversion=6.3
What conditions does exploitation require?
What is affected?
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
- Atomic Alarm Clock x86 6.3 Unquoted Service Pathproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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