CVE-2025-15561

HIGH

WorkTime Daemon - Privilege Escalation

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Various Sources third-party-advisory
https://r.sec-consult.com/worktime

Scores

CVSS v3 7.8
EPSS 0.0010
EPSS Percentile 1.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-269
Status published
Products (1)
nestersoft/worktime < 11.8.8 (2 CPE variants)
Published Feb 19, 2026
Tracked Since Feb 19, 2026