Is CVE-2025-66835 actively exploited?

CVE-2025-66835 has no public evidence of in-the-wild exploitation as of 2026-01-09.

What is the CVSS score for CVE-2025-66835?

CVE-2025-66835 has a CVSS score of 7.1 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

How do I patch CVE-2025-66835?

Patch guidance is available from trueconf security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-66835.

Fix CVE-2025-66835 - HIGH trueconf trueconf

Description

TrueConf Client 8.5.2 is vulnerable to DLL hijacking via crafted wfapi.dll allowing local attackers to execute arbitrary code within the user's context.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none
Weaknesses: CWE-427

Metadata

Primary Vendor: TRUECONF
Published: 12/30/2025
Last Modified: 1/9/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-66835

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary