CVE-2025-15561
7.8 · HIGHOverview
CVE-2025-15561 is a high-severity vulnerability affecting nestersoft worktime. It was published on February 19, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
An attacker can exploit the update behavior of the WorkTime monitoring daemon to elevate privileges on the local system to NT Authority\SYSTEM. A malicious executable must be named WTWatch.exe and dropped in the C:\ProgramData\wta\ClientExe directory, which is writable by "Everyone". The executable will then be run by the WorkTime monitoring daemon.
Remediation
Check the references section for vendor advisories and patches from nestersoft. Update worktime to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| nestersoft | worktime | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2025-15561?
CVE-2025-15561 is a high-severity vulnerability affecting nestersoft worktime. It was published on February 19, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2025-15561?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-15561?
Check the references section for vendor advisories and patches from nestersoft. Update worktime to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-15561?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-15561 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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