# CVE-2026-3502

## Summary

- **CVE ID:** CVE-2026-3502
- **Severity:** HIGH
- **CVSS Score:** 7.8 (CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L)
- **CWE:** CWE-494
- **Published:** Mar 30, 2026
- **Last Modified:** Apr 3, 2026

## Description

TrueConf Client downloads application update code and applies it without performing verification. 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.

## Affected Products

- TrueConf — TrueConf Client (TrueConf Client versions 8.1.0 through 8.5.2)

## References

- [CNA](https://trueconf.com/blog/update/trueconf-8-5)
- [CISA-ADP](https://research.checkpoint.com/2026/operation-truechaos-0-day-exploitation-against-southeast-asian-government-targets/)
- [CISA-ADP](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3502)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 5.75%
- **EPSS Percentile:** 92.6

## Known Exploited Vulnerabilities (KEV)

- **Date Added:** Apr 2, 2026
- **Due Date:** Apr 16, 2026

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._