CVE-2025-15561
Privilege Escalation via Writable Directory in WorkTime Daemon
Publication date: 2026-02-19
Last updated on: 2026-02-26
Assigner: SEC Consult Vulnerability Lab
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| nestersoft | worktime | to 11.8.8 (inc) |
| nestersoft | worktime | to 11.8.8 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-269 | The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves the WorkTime monitoring daemon's update behavior, which can be exploited by an attacker to gain elevated privileges on the local system.
Specifically, if a malicious executable named WTWatch.exe is placed in the C:\ProgramData\wta\ClientExe directory—a directory writable by everyone—the WorkTime monitoring daemon will execute this file.
As a result, the attacker can run code with NT Authority\SYSTEM privileges, effectively gaining full control over the system.
How can this vulnerability impact me? :
Exploitation of this vulnerability allows an attacker to execute arbitrary code with the highest system privileges (NT Authority\SYSTEM).
This can lead to complete system compromise, including unauthorized access to sensitive data, installation of malware, disruption of system operations, and potential further attacks within a network.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know