CVE-2025-66835

Name: CVE-2025-66835
Creator: NVD / NIST
Published: 2025-12-30T19:15:44.843+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2025-66835 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.1/10

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

EPSS Probability

0.17%

6.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-427

Affected Software

Vendor	Product	Versions
Trueconf	Trueconf	8.5.2

References

http://trueconf.comProduct
https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66835/README.mdExploit, Third Party Advisory
https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66835/README.mdExploit, Third Party Advisory

Timeline

Published: Dec 30, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-66835?

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.

How severe is CVE-2025-66835?

CVE-2025-66835 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2025-66835?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-66835?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST