TI-2025-41060 Aliases CVE-2025-66835 GHSA-vrjf-962m-57c2

TrueConf Client 8.5.2 is vulnerable to DLL hijacking via crafted wfapi.dll allowing local…

HIGH 66CWE-427Published 2025-12-30 · Updated 2026-07-05

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-427.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00183 7th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:trueconf:trueconf:8.5.2:::::::*	8.5.2	Vulnerable	TrueConf

cpe:2.3:a:trueconf:trueconf:8.5.2:*:*:*:*:*:*:* Versions 8.5.2 Vulnerable ·TrueConf

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-66835
2026-10-03 Alias added: GHSA-vrjf-962m-57c2

References

Exploit 1

https://github.com/x00nullbit/CVE-References/blob/main/CVE-2025-66835/README.md

TI-2026-03017 TrueConf Client Update Integrity Verification Bypass KEVCVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences