---
cve: "CVE-2026-3502"
severity: "HIGH"
cvss: 7.8
epss: "5.8%"
vendor: "TrueConf"
kev: true
exploited: true
published: "2026-03-30 19:16:27"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-17T05:46:26+02:00"
---

# CVE-2026-3502

> 7.8 HIGH · ⚠️ CISA KEV (168 Tage) · 🔓 Exploited

## Beschreibung

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.

## CVSS-Vektor

```
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Benachbart | warn |
| AC Komplexität | Gering | bad |
| PR Privilegien | Hoch | good |
| UI Interaktion | Erforderlich | good |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Gering | warn |

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-3502) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_