9 Realms Cybersecurity
AdvisoriesCVE-2026-3502

TrueConf Client Download of Code Without Integrity Check Vulnerability

TrueConfClientAdded April 2, 2026

CISA Known Exploited Vulnerabilities Data

Description

TrueConf Client contains a download of code without integrity check vulnerability. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user.

Required Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA Due Date

April 16, 2026 (federal agency requirement)

Known Ransomware Campaign Use

Unknown

Notes

https://trueconf.com/blog/update/trueconf-8-5 ; https://trueconf.com/downloads/windows.html ; https://nvd.nist.gov/vuln/detail/CVE-2026-3502

External References

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Data sourced from the CISA Known Exploited Vulnerabilities catalog. CISA does not endorse any commercial product or service.