Is CVE-2025-15561 actively exploited?

No active exploitation of CVE-2025-15561 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-15561 be exploited remotely?

No. CVE-2025-15561 requires local access to exploit.

What is the CVSS score of CVE-2025-15561?

CVE-2025-15561 has a CVSS score of 7.8 (HIGH) and an EPSS exploitation probability of 0.01%.

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HIGH

CVE-2025-15561

CWE-269Published: February 19, 2026· Updated: Feb 26, 2026

7.8

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:3.8th

Official 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.

NVD Source

Technical Analysis

CVE-2025-15561 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.