CVE-2025-15561
HIGH EPSS 1.2%
Published Feb 19, 20264mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
Published Feb 19, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
1.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-269 Improper Privilege Management Authorization
Affected Products 2
| Vendor | Product | Version | Range |
|---|---|---|---|
| nestersoft | worktime | * | ≤11.8.8 |
| nestersoft | worktime | * | ≤11.8.8 |
References 1
- r.sec-consult.com https://r.sec-consult.com/worktime
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.