Is CVE-2025-10539 in the CISA KEV catalog?

No. CVE-2025-10539 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-10539?

CVE-2025-10539 has a CVSS v3 base score of 4.8 (MEDIUM).

What is the EPSS score for CVE-2025-10539?

CVE-2025-10539 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-10539?

Upgrade desktime time tracking to 1.3.674 or later.

CVE & CISA-KEV Catalog

CVE-2025-10539

MEDIUM

4.8

CVSS v3

NVD

Description

Due to improper TLS certificate validation in the DeskTime Time Tracking App before version 1.3.674, attackers who can position themselves in the network path between the client and the DeskTime update servers can return a malicious executable in response to an update request. This allows the attacker to achieve user-level remote code execution on the affected client.

CWE-295Improper Certificate Validation CWE-296 CWE-494

How to fix

Remediation Available

desktime time trackingNVD

Affected:< 1.3.674Fixed in:1.3.674CVE-2025-10539derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploit Intelligence

0.18%probability of exploitation in 30 days

8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

Exploit2

Third-Party Advisory2

Product1

desktime.com

Embed a live status badge for CVE-2025-10539

Markdown

[![CVE-2025-10539](https://tridentstack.com/cve/badge/CVE-2025-10539.svg)](https://tridentstack.com/cve/CVE-2025-10539)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-10539"><img src="https://tridentstack.com/cve/badge/CVE-2025-10539.svg" alt="CVE-2025-10539"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-18.